12212131002 has 16 divisors (see below), whose sum is σ = 24492300480. Its totient is φ = 4059370592.

The previous prime is 12212130961. The next prime is 12212131027. The reversal of 12212131002 is 20013121221.

It is a super-2 number, since 2×12212131002² (a number of 21 digits) contains 22 as substring.

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, 2832603 + ... + 2836910.

It is an arithmetic number, because the mean of its divisors is an integer number (1530768780).

Almost surely, 2^12212131002 is an apocalyptic number.

12212131002 is an abundant number, since it is smaller than the sum of its proper divisors (12280169478).

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

12212131002 is a wasteful number, since it uses less digits than its factorization.

12212131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5669877.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12212131002 its reverse (20013121221), we get a palindrome (32225252223).

The spelling of 12212131002 in words is "twelve billion, two hundred twelve million, one hundred thirty-one thousand, two".