12213131202 has 24 divisors (see below), whose sum is σ = 26473324800. Its totient is φ = 4069268280.

The previous prime is 12213131171. The next prime is 12213131263. The reversal of 12213131202 is 20213131221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105202 + ... + 188397.

It is an arithmetic number, because the mean of its divisors is an integer number (1103055200).

Almost surely, 2^12213131202 is an apocalyptic number.

12213131202 is an abundant number, since it is smaller than the sum of its proper divisors (14260193598).

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

12213131202 is a wasteful number, since it uses less digits than its factorization.

12213131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295918 (or 295915 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12213131202 its reverse (20213131221), we get a palindrome (32426262423).

The spelling of 12213131202 in words is "twelve billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred two".