85224960012 has 96 divisors (see below), whose sum is σ = 211195482624. Its totient is φ = 26691033600.

The previous prime is 85224960011. The next prime is 85224960019. The reversal of 85224960012 is 21006942258.

It is not an unprimeable number, because it can be changed into a prime (85224960011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13920312 + ... + 13926432.

It is an arithmetic number, because the mean of its divisors is an integer number (2199952944).

Almost surely, 2^85224960012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85224960012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105597741312).

85224960012 is an abundant number, since it is smaller than the sum of its proper divisors (125970522612).

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

85224960012 is a wasteful number, since it uses less digits than its factorization.

85224960012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039 (or 7037 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 85224960012 in words is "eighty-five billion, two hundred twenty-four million, nine hundred sixty thousand, twelve".