1312200132131 has 16 divisors (see below), whose sum is σ = 1578868262400. Its totient is φ = 1065355867008.

The previous prime is 1312200132121. The next prime is 1312200132143. The reversal of 1312200132131 is 1312310022131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312200132131 is a prime.

It is a super-2 number, since 2×1312200132131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312200132121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129446 + ... + 1625163.

It is an arithmetic number, because the mean of its divisors is an integer number (98679266400).

Almost surely, 2^{1312200132131} is an apocalyptic number.

1312200132131 is a deficient number, since it is larger than the sum of its proper divisors (266668130269).

1312200132131 is a wasteful number, since it uses less digits than its factorization.

1312200132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760258.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312200132131 its reverse (1312310022131), we get a palindrome (2624510154262).

The spelling of 1312200132131 in words is "one trillion, three hundred twelve billion, two hundred million, one hundred thirty-two thousand, one hundred thirty-one".