12985590834 has 24 divisors (see below), whose sum is σ = 28398399120. Its totient is φ = 4288076088.

The previous prime is 12985590833. The next prime is 12985590841. The reversal of 12985590834 is 43809558921.

12985590834 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 559 + 0 + 83 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (12985590833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3369204 + ... + 3373055.

It is an arithmetic number, because the mean of its divisors is an integer number (1183266630).

Almost surely, 2^12985590834 is an apocalyptic number.

12985590834 is an abundant number, since it is smaller than the sum of its proper divisors (15412808286).

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

12985590834 is a wasteful number, since it uses less digits than its factorization.

12985590834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742374 (or 6742371 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 12985590834 in words is "twelve billion, nine hundred eighty-five million, five hundred ninety thousand, eight hundred thirty-four".