121000010210112 has 56 divisors (see below), whose sum is σ = 349250029476192. Its totient is φ = 36666669760000.

The previous prime is 121000010210083. The next prime is 121000010210129. The reversal of 121000010210112 is 211012010000121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28645833639 + ... + 28645837862.

Almost surely, 2^{121000010210112} is an apocalyptic number.

121000010210112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121000010210112 is an abundant number, since it is smaller than the sum of its proper divisors (228250019266080).

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

121000010210112 is a wasteful number, since it uses less digits than its factorization.

121000010210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57291671527 (or 57291671517 counting only the distinct ones).

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

Adding to 121000010210112 its reverse (211012010000121), we get a palindrome (332012020210233).

The spelling of 121000010210112 in words is "one hundred twenty-one trillion, ten million, two hundred ten thousand, one hundred twelve".