122021210012 has 72 divisors (see below), whose sum is σ = 256980726576. Its totient is φ = 50214836736.

The previous prime is 122021210011. The next prime is 122021210027. The reversal of 122021210012 is 210012120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021210011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127943 + ... + 510305.

It is an arithmetic number, because the mean of its divisors is an integer number (3569176758).

Almost surely, 2^122021210012 is an apocalyptic number.

It is an amenable number.

122021210012 is an abundant number, since it is smaller than the sum of its proper divisors (134959516564).

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

122021210012 is a wasteful number, since it uses less digits than its factorization.

122021210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382435 (or 382414 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021210012 its reverse (210012120221), we get a palindrome (332033330233).

The spelling of 122021210012 in words is "one hundred twenty-two billion, twenty-one million, two hundred ten thousand, twelve".