12311220231002 has 64 divisors (see below), whose sum is σ = 23455408204800. Its totient is φ = 4706904122880.

The previous prime is 12311220230923. The next prime is 12311220231017. The reversal of 12311220231002 is 20013202211321.

It is a super-2 number, since 2×12311220231002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3912074 + ... + 6318762.

It is an arithmetic number, because the mean of its divisors is an integer number (366490753200).

Almost surely, 2^{12311220231002} is an apocalyptic number.

12311220231002 is a deficient number, since it is larger than the sum of its proper divisors (11144187973798).

12311220231002 is a wasteful number, since it uses less digits than its factorization.

12311220231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407331.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12311220231002 its reverse (20013202211321), we get a palindrome (32324422442323).

The spelling of 12311220231002 in words is "twelve trillion, three hundred eleven billion, two hundred twenty million, two hundred thirty-one thousand, two".