121203210112 has 32 divisors (see below), whose sum is σ = 245063410920. Its totient is φ = 59697099264.

The previous prime is 121203210097. The next prime is 121203210127. The reversal of 121203210112 is 211012302121.

121203210112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121203210097) and next prime (121203210127).

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7057843 + ... + 7074994.

Almost surely, 2^121203210112 is an apocalyptic number.

It is an amenable number.

121203210112 is an abundant number, since it is smaller than the sum of its proper divisors (123860200808).

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

121203210112 is an equidigital number, since it uses as much as digits as its factorization.

121203210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14132918 (or 14132906 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121203210112 its reverse (211012302121), we get a palindrome (332215512233).

The spelling of 121203210112 in words is "one hundred twenty-one billion, two hundred three million, two hundred ten thousand, one hundred twelve".