1202312112131 has 8 divisors (see below), whose sum is σ = 1362944904720. Its totient is φ = 1051414640352.

The previous prime is 1202312112107. The next prime is 1202312112139. The reversal of 1202312112131 is 1312112132021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202312112131 is a prime.

It is a super-2 number, since 2×1202312112131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202312112139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2433829940 + ... + 2433830433.

It is an arithmetic number, because the mean of its divisors is an integer number (170368113090).

Almost surely, 2^{1202312112131} is an apocalyptic number.

1202312112131 is a deficient number, since it is larger than the sum of its proper divisors (160632792589).

1202312112131 is a wasteful number, since it uses less digits than its factorization.

1202312112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867660405.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1202312112131 its reverse (1312112132021), we get a palindrome (2514424244152).

The spelling of 1202312112131 in words is "one trillion, two hundred two billion, three hundred twelve million, one hundred twelve thousand, one hundred thirty-one".