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121300313221010 = 25711315081705623
BaseRepresentation
bin11011100101001001101110…
…000101001010011110010010
3120220111012022101111202121202
4123211021232011022132102
5111344341020141033020
61105552332233551202
734356441561201410
oct3345115605123622
9526435271452552
10121300313221010
11357171a057aa40
1211730991575502
13528b7553a0891
1421d4d760702b0
15e05475cebe75
hex6e526e14a792

121300313221010 has 64 divisors (see below), whose sum is σ = 280997994184704. Its totient is φ = 36588280478400.

The previous prime is 121300313220949. The next prime is 121300313221063. The reversal of 121300313221010 is 10122313003121.

It is a happy number.

It is a super-2 number, since 2×1213003132210102 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2540828942 + ... + 2540876681.

It is an arithmetic number, because the mean of its divisors is an integer number (4390593659136).

Almost surely, 2121300313221010 is an apocalyptic number.

121300313221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121300313221010 is an abundant number, since it is smaller than the sum of its proper divisors (159697680963694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121300313221010 is a wasteful number, since it uses less digits than its factorization.

121300313221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081705679.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121300313221010 its reverse (10122313003121), we get a palindrome (131422626224131).

The spelling of 121300313221010 in words is "one hundred twenty-one trillion, three hundred billion, three hundred thirteen million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 31 35 55 62 70 77 110 154 155 217 310 341 385 434 682 770 1085 1705 2170 2387 3410 4774 11935 23870 5081705623 10163411246 25408528115 35571939361 50817056230 55898761853 71143878722 111797523706 157532874313 177859696805 279493809265 315065748626 355719393610 391291332971 558987618530 782582665942 787664371565 1102730120191 1575328743130 1732861617443 1956456664855 2205460240382 3465723234886 3912913329710 5513650600955 8664308087215 11027301201910 12130031322101 17328616174430 24260062644202 60650156610505 121300313221010