121245013122 has 32 divisors (see below), whose sum is σ = 248597778240. Its totient is φ = 39398580480.

The previous prime is 121245013093. The next prime is 121245013151. The reversal of 121245013122 is 221310542121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121245013093) and next prime (121245013151).

It is a junction number, because it is equal to n+sod(n) for n = 121245013092 and 121245013101.

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, 125913 + ... + 508275.

It is an arithmetic number, because the mean of its divisors is an integer number (7768680570).

Almost surely, 2^121245013122 is an apocalyptic number.

121245013122 is an abundant number, since it is smaller than the sum of its proper divisors (127352765118).

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

121245013122 is a wasteful number, since it uses less digits than its factorization.

121245013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383698.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 121245013122 its reverse (221310542121), we get a palindrome (342555555243).

The spelling of 121245013122 in words is "one hundred twenty-one billion, two hundred forty-five million, thirteen thousand, one hundred twenty-two".