12121113202 has 16 divisors (see below), whose sum is σ = 19875974400. Its totient is φ = 5498089840.

The previous prime is 12121113133. The next prime is 12121113211. The reversal of 12121113202 is 20231112121.

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, 564577 + ... + 585652.

It is an arithmetic number, because the mean of its divisors is an integer number (1242248400).

Almost surely, 2^12121113202 is an apocalyptic number.

12121113202 is a deficient number, since it is larger than the sum of its proper divisors (7754861198).

12121113202 is a wasteful number, since it uses less digits than its factorization.

12121113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150721.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12121113202 its reverse (20231112121), we get a palindrome (32352225323).

The spelling of 12121113202 in words is "twelve billion, one hundred twenty-one million, one hundred thirteen thousand, two hundred two".