722432753561212 has 6 divisors (see below), whose sum is σ = 1264257318732128. Its totient is φ = 361216376780604.

The previous prime is 722432753561209. The next prime is 722432753561213. The reversal of 722432753561212 is 212165357234227.

It is a self number, because there is not a number n which added to its sum of digits gives 722432753561212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722432753561213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90304094195148 + ... + 90304094195155.

Almost surely, 2^{722432753561212} is an apocalyptic number.

It is an amenable number.

722432753561212 is a deficient number, since it is larger than the sum of its proper divisors (541824565170916).

722432753561212 is a wasteful number, since it uses less digits than its factorization.

722432753561212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180608188390307 (or 180608188390305 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 722432753561212 in words is "seven hundred twenty-two trillion, four hundred thirty-two billion, seven hundred fifty-three million, five hundred sixty-one thousand, two hundred twelve".