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121001211310 = 25716361105653
BaseRepresentation
bin111000010110000111…
…0111111010110101110
3102120022210010102012211
41300230032333112232
53440302302230220
6131330455521034
711512344216550
oct1605416772656
9376283112184
10121001211310
1147353035a91
121b54b08917a
13b5447599b5
145bdc2cb4d0
153232d25b5a
hex1c2c3bf5ae

121001211310 has 32 divisors (see below), whose sum is σ = 248934347712. Its totient is φ = 41483201280.

The previous prime is 121001211307. The next prime is 121001211329. The reversal of 121001211310 is 13112100121.

It is a happy number.

121001211310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1210012113102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092444 + ... + 1198096.

It is an arithmetic number, because the mean of its divisors is an integer number (7779198366).

Almost surely, 2121001211310 is an apocalyptic number.

121001211310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121001211310 is an abundant number, since it is smaller than the sum of its proper divisors (127933136402).

121001211310 is a wasteful number, since it uses less digits than its factorization.

121001211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122028.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121001211310 its reverse (13112100121), we get a palindrome (134113311431).

The spelling of 121001211310 in words is "one hundred twenty-one billion, one million, two hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 16361 32722 81805 105653 114527 163610 211306 229054 528265 572635 739571 1056530 1145270 1479142 3697855 7395710 1728588733 3457177466 8642943665 12100121131 17285887330 24200242262 60500605655 121001211310