121200012001112 has 64 divisors (see below), whose sum is σ = 249007398112800. Its totient is φ = 54846882109440.

The previous prime is 121200012001021. The next prime is 121200012001127. The reversal of 121200012001112 is 211100210002121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333797648 + ... + 334160544.

Almost surely, 2^{121200012001112} is an apocalyptic number.

It is an amenable number.

121200012001112 is an abundant number, since it is smaller than the sum of its proper divisors (127807386111688).

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

121200012001112 is a wasteful number, since it uses less digits than its factorization.

121200012001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379716 (or 379712 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121200012001112 its reverse (211100210002121), we get a palindrome (332300222003233).

The spelling of 121200012001112 in words is "one hundred twenty-one trillion, two hundred billion, twelve million, one thousand, one hundred twelve".