201012112131 has 16 divisors (see below), whose sum is σ = 282395984640. Its totient is φ = 126831843360.

The previous prime is 201012112123. The next prime is 201012112187. The reversal of 201012112131 is 131211210102.

It is not a de Polignac number, because 201012112131 - 2³ = 201012112123 is a prime.

It is a super-2 number, since 2×201012112131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201012112131.

It is not an unprimeable number, because it can be changed into a prime (201012512131) 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, 1651480 + ... + 1769013.

It is an arithmetic number, because the mean of its divisors is an integer number (17649749040).

Almost surely, 2^201012112131 is an apocalyptic number.

201012112131 is a deficient number, since it is larger than the sum of its proper divisors (81383872509).

201012112131 is a wasteful number, since it uses less digits than its factorization.

201012112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421546.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201012112131 its reverse (131211210102), we get a palindrome (332223322233).

The spelling of 201012112131 in words is "two hundred one billion, twelve million, one hundred twelve thousand, one hundred thirty-one".