102012131 has 8 divisors (see below), whose sum is σ = 110322240. Its totient is φ = 93768192.

The previous prime is 102012091. The next prime is 102012133. The reversal of 102012131 is 131210201.

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-102012131 is a prime.

It is a super-2 number, since 2×102012131² = 20812949742322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012133) 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, 13310 + ... + 19523.

It is an arithmetic number, because the mean of its divisors is an integer number (13790280).

Almost surely, 2^102012131 is an apocalyptic number.

102012131 is a deficient number, since it is larger than the sum of its proper divisors (8310109).

102012131 is a wasteful number, since it uses less digits than its factorization.

102012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33085.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102012131 is about 10100.1054944986. The cubic root of 102012131 is about 467.2513949835.

Adding to 102012131 its reverse (131210201), we get a palindrome (233222332).

The spelling of 102012131 in words is "one hundred two million, twelve thousand, one hundred thirty-one".