207212107572 has 18 divisors (see below), whose sum is σ = 523786160898. Its totient is φ = 69070702512.

The previous prime is 207212107519. The next prime is 207212107573. The reversal of 207212107572 is 275701212702.

It is a happy number.

207212107572 is a `hidden beast` number, since 2 + 0 + 72 + 1 + 2 + 10 + 7 + 572 = 666.

207212107572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 204372709776 + 2839397796 = 452076^2 + 53286^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5755891877 = 207212107572 / (2 + 0 + 7 + 2 + 1 + 2 + 1 + 0 + 7 + 5 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207212107573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2877945903 + ... + 2877945974.

It is an arithmetic number, because the mean of its divisors is an integer number (29099231161).

Almost surely, 2^207212107572 is an apocalyptic number.

It is an amenable number.

207212107572 is an abundant number, since it is smaller than the sum of its proper divisors (316574053326).

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

207212107572 is a wasteful number, since it uses less digits than its factorization.

207212107572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755891887 (or 5755891882 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 207212107572 in words is "two hundred seven billion, two hundred twelve million, one hundred seven thousand, five hundred seventy-two".