12107220402 has 16 divisors (see below), whose sum is σ = 24215768640. Its totient is φ = 4035518832.

The previous prime is 12107220397. The next prime is 12107220421. The reversal of 12107220402 is 20402270121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94363 + ... + 181985.

It is an arithmetic number, because the mean of its divisors is an integer number (1513485540).

Almost surely, 2^12107220402 is an apocalyptic number.

12107220402 is an abundant number, since it is smaller than the sum of its proper divisors (12108548238).

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

12107220402 is a wasteful number, since it uses less digits than its factorization.

12107220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110657.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 12107220402 its reverse (20402270121), we get a palindrome (32509490523).

The spelling of 12107220402 in words is "twelve billion, one hundred seven million, two hundred twenty thousand, four hundred two".