201212031011232 has 96 divisors (see below), whose sum is σ = 557367099347520. Its totient is φ = 63382185676800.

The previous prime is 201212031011207. The next prime is 201212031011263. The reversal of 201212031011232 is 232110130212102.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 201212031011199 and 201212031011208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136816723 + ... + 138279570.

It is an arithmetic number, because the mean of its divisors is an integer number (5805907284870).

Almost surely, 2^{201212031011232} is an apocalyptic number.

It is an amenable number.

201212031011232 is an abundant number, since it is smaller than the sum of its proper divisors (356155068336288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201212031011232 is a wasteful number, since it uses less digits than its factorization.

201212031011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275096726 (or 275096718 counting only the distinct ones).

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

Adding to 201212031011232 its reverse (232110130212102), we get a palindrome (433322161223334).

The spelling of 201212031011232 in words is "two hundred one trillion, two hundred twelve billion, thirty-one million, eleven thousand, two hundred thirty-two".