12131321132002 has 16 divisors (see below), whose sum is σ = 18784411559424. Its totient is φ = 5869859580000.

The previous prime is 12131321131999. The next prime is 12131321132071. The reversal of 12131321132002 is 20023112313121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512502 + ... + 4952302.

It is an arithmetic number, because the mean of its divisors is an integer number (1174025722464).

Almost surely, 2^{12131321132002} is an apocalyptic number.

12131321132002 is a deficient number, since it is larger than the sum of its proper divisors (6653090427422).

12131321132002 is a wasteful number, since it uses less digits than its factorization.

12131321132002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483905.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12131321132002 its reverse (20023112313121), we get a palindrome (32154433445123).

The spelling of 12131321132002 in words is "twelve trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred thirty-two thousand, two".