121200101022112 has 24 divisors (see below), whose sum is σ = 272700227300256. Its totient is φ = 51942900437952.

The previous prime is 121200101022047. The next prime is 121200101022131. The reversal of 121200101022112 is 211220101002121.

It is a super-2 number, since 2×121200101022112² (a number of 29 digits) contains 22 as substring.

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

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, 270535939558 + ... + 270535940005.

It is an arithmetic number, because the mean of its divisors is an integer number (11362509470844).

Almost surely, 2^{121200101022112} is an apocalyptic number.

It is an amenable number.

121200101022112 is an abundant number, since it is smaller than the sum of its proper divisors (151500126278144).

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

121200101022112 is an equidigital number, since it uses as much as digits as its factorization.

121200101022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541071879580 (or 541071879572 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121200101022112 its reverse (211220101002121), we get a palindrome (332420202024233).

The spelling of 121200101022112 in words is "one hundred twenty-one trillion, two hundred billion, one hundred one million, twenty-two thousand, one hundred twelve".