121202221202112 has 56 divisors (see below), whose sum is σ = 326731459541616. Its totient is φ = 39638462276608.

The previous prime is 121202221202063. The next prime is 121202221202113. The reversal of 121202221202112 is 211202122202121.

It is not an unprimeable number, because it can be changed into a prime (121202221202113) 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, 5955287643 + ... + 5955307994.

Almost surely, 2^{121202221202112} is an apocalyptic number.

121202221202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121202221202112 is an abundant number, since it is smaller than the sum of its proper divisors (205529238339504).

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

121202221202112 is a wasteful number, since it uses less digits than its factorization.

121202221202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11910595705 (or 11910595695 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121202221202112 its reverse (211202122202121), we get a palindrome (332404343404233).

The spelling of 121202221202112 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-one million, two hundred two thousand, one hundred twelve".