34012320309912 has 64 divisors (see below), whose sum is σ = 97431786823680. Its totient is φ = 9692432923392.

The previous prime is 34012320309911. The next prime is 34012320310063. The reversal of 34012320309912 is 21990302321043.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34012320309911) 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, 264236293 + ... + 264364980.

It is an arithmetic number, because the mean of its divisors is an integer number (1522371669120).

Almost surely, 2^{34012320309912} is an apocalyptic number.

It is an amenable number.

34012320309912 is an abundant number, since it is smaller than the sum of its proper divisors (63419466513768).

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

34012320309912 is a wasteful number, since it uses less digits than its factorization.

34012320309912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528601672 (or 528601668 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 34012320309912 in words is "thirty-four trillion, twelve billion, three hundred twenty million, three hundred nine thousand, nine hundred twelve".