72654226126212 has 24 divisors (see below), whose sum is σ = 171081816875200. Its totient is φ = 23995891197216.

The previous prime is 72654226126129. The next prime is 72654226126213. The reversal of 72654226126212 is 21262162245627.

It is not an unprimeable number, because it can be changed into a prime (72654226126213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27773020912 + ... + 27773023527.

Almost surely, 2^{72654226126212} is an apocalyptic number.

It is an amenable number.

72654226126212 is an abundant number, since it is smaller than the sum of its proper divisors (98427590748988).

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

72654226126212 is a wasteful number, since it uses less digits than its factorization.

72654226126212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55546044555 (or 55546044553 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 72654226126212 in words is "seventy-two trillion, six hundred fifty-four billion, two hundred twenty-six million, one hundred twenty-six thousand, two hundred twelve".