985395234012 has 48 divisors (see below), whose sum is σ = 2741969352192. Its totient is φ = 269300560320.

The previous prime is 985395234011. The next prime is 985395234017. The reversal of 985395234012 is 210432593589.

It is a happy number.

It is a super-2 number, since 2×985395234012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985395234011) 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, 255017539 + ... + 255021402.

It is an arithmetic number, because the mean of its divisors is an integer number (57124361504).

Almost surely, 2^985395234012 is an apocalyptic number.

985395234012 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

985395234012 is an abundant number, since it is smaller than the sum of its proper divisors (1756574118180).

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

985395234012 is a wasteful number, since it uses less digits than its factorization.

985395234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510038978 (or 510038976 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 985395234012 in words is "nine hundred eighty-five billion, three hundred ninety-five million, two hundred thirty-four thousand, twelve".