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10100121121210 = 258308871215583
BaseRepresentation
bin1001001011111001111000…
…1000011011000110111010
31022202120011210210012010211
42102332132020123012322
52310440022001334320
633251533120101334
72061465263004001
oct222763610330672
938676153705124
1010100121121210
11324448a07729a
12117157a16484a
1358358ba95303
1426cbc42bbc38
15127ad9b0555a
hex92f9e21b1ba

10100121121210 has 16 divisors (see below), whose sum is σ = 18180254854656. Its totient is φ = 4040040262608.

The previous prime is 10100121121187. The next prime is 10100121121213. The reversal of 10100121121210 is 1212112100101.

It is a happy number.

It is a super-2 number, since 2×101001211212102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10100121121213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7701079 + ... + 8916661.

It is an arithmetic number, because the mean of its divisors is an integer number (1136265928416).

Almost surely, 210100121121210 is an apocalyptic number.

10100121121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10100121121210 is a deficient number, since it is larger than the sum of its proper divisors (8080133733446).

10100121121210 is a wasteful number, since it uses less digits than its factorization.

10100121121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046477.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10100121121210 its reverse (1212112100101), we get a palindrome (11312233221311).

The spelling of 10100121121210 in words is "ten trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 830887 1215583 1661774 2431166 4154435 6077915 8308870 12155830 1010012112121 2020024224242 5050060560605 10100121121210