210122120012 has 48 divisors (see below), whose sum is σ = 442427328000. Its totient is φ = 85300210944.

The previous prime is 210122119973. The next prime is 210122120023. The reversal of 210122120012 is 210021221012.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 4166564 + ... + 4216692.

It is an arithmetic number, because the mean of its divisors is an integer number (9217236000).

Almost surely, 2^210122120012 is an apocalyptic number.

It is an amenable number.

210122120012 is an abundant number, since it is smaller than the sum of its proper divisors (232305207988).

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

210122120012 is a wasteful number, since it uses less digits than its factorization.

210122120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58038 (or 58036 counting only the distinct ones).

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

Adding to 210122120012 its reverse (210021221012), we get a palindrome (420143341024).

The spelling of 210122120012 in words is "two hundred ten billion, one hundred twenty-two million, one hundred twenty thousand, twelve".