121010210112 has 56 divisors (see below), whose sum is σ = 349279476192. Its totient is φ = 36669760000.

The previous prime is 121010210107. The next prime is 121010210117. The reversal of 121010210112 is 211012010121.

It is an interprime number because it is at equal distance from previous prime (121010210107) and next prime (121010210117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010210117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28646139 + ... + 28650362.

Almost surely, 2^121010210112 is an apocalyptic number.

121010210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121010210112 is an abundant number, since it is smaller than the sum of its proper divisors (228269266080).

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

121010210112 is a wasteful number, since it uses less digits than its factorization.

121010210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57296527 (or 57296517 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010210112 its reverse (211012010121), we get a palindrome (332022220233).

Subtracting 121010210112 from its reverse (211012010121), we obtain a square (90001800009 = 300003²).

The spelling of 121010210112 in words is "one hundred twenty-one billion, ten million, two hundred ten thousand, one hundred twelve".