68213234070912 has 128 divisors (see below), whose sum is σ = 207083867477760. Its totient is φ = 19488744548352.

The previous prime is 68213234070911. The next prime is 68213234070913. The reversal of 68213234070912 is 21907043231286.

It is an interprime number because it is at equal distance from previous prime (68213234070911) and next prime (68213234070913).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213234070911) 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, 71248378 + ... + 72199430.

It is an arithmetic number, because the mean of its divisors is an integer number (1617842714670).

Almost surely, 2^{68213234070912} is an apocalyptic number.

It is an amenable number.

68213234070912 is an abundant number, since it is smaller than the sum of its proper divisors (138870633406848).

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

68213234070912 is a wasteful number, since it uses less digits than its factorization.

68213234070912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977760 (or 977748 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 68213234070912 in words is "sixty-eight trillion, two hundred thirteen billion, two hundred thirty-four million, seventy thousand, nine hundred twelve".