12120210402 has 16 divisors (see below), whose sum is σ = 24241530720. Its totient is φ = 4039885152.

The previous prime is 12120210391. The next prime is 12120210451. The reversal of 12120210402 is 20401202121.

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, 183549 + ... + 240687.

It is an arithmetic number, because the mean of its divisors is an integer number (1515095670).

Almost surely, 2^12120210402 is an apocalyptic number.

12120210402 is an abundant number, since it is smaller than the sum of its proper divisors (12121320318).

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

12120210402 is a wasteful number, since it uses less digits than its factorization.

12120210402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92497.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12120210402 its reverse (20401202121), we get a palindrome (32521412523).

The spelling of 12120210402 in words is "twelve billion, one hundred twenty million, two hundred ten thousand, four hundred two".