236561039412 has 48 divisors (see below), whose sum is σ = 553018233600. Its totient is φ = 78704888320.

The previous prime is 236561039411. The next prime is 236561039443. The reversal of 236561039412 is 214930165632.

It is a super-2 number, since 2×236561039412² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236561039411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16700389 + ... + 16714547.

It is an arithmetic number, because the mean of its divisors is an integer number (11521213200).

Almost surely, 2^236561039412 is an apocalyptic number.

It is an amenable number.

236561039412 is an abundant number, since it is smaller than the sum of its proper divisors (316457194188).

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

236561039412 is a wasteful number, since it uses less digits than its factorization.

236561039412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696 (or 16694 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 236561039412 in words is "two hundred thirty-six billion, five hundred sixty-one million, thirty-nine thousand, four hundred twelve".