201212012203131 has 32 divisors (see below), whose sum is σ = 274724108628480. Its totient is φ = 130963703360000.

The previous prime is 201212012203109. The next prime is 201212012203207. The reversal of 201212012203131 is 131302210212102.

It is a cyclic number.

It is not a de Polignac number, because 201212012203131 - 2⁶ = 201212012203067 is a prime.

It is a super-2 number, since 2×201212012203131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201212012203098 and 201212012203107.

It is not an unprimeable number, because it can be changed into a prime (201212012203831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628286 + ... + 20126483.

It is an arithmetic number, because the mean of its divisors is an integer number (8585128394640).

Almost surely, 2^{201212012203131} is an apocalyptic number.

201212012203131 is a deficient number, since it is larger than the sum of its proper divisors (73512096425349).

201212012203131 is a wasteful number, since it uses less digits than its factorization.

201212012203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21755267.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 201212012203131 its reverse (131302210212102), we get a palindrome (332514222415233).

The spelling of 201212012203131 in words is "two hundred one trillion, two hundred twelve billion, twelve million, two hundred three thousand, one hundred thirty-one".