212730525102 has 16 divisors (see below), whose sum is σ = 435355493760. Its totient is φ = 69261101112.

The previous prime is 212730525101. The next prime is 212730525149. The reversal of 212730525102 is 201525037212.

It is a super-2 number, since 2×212730525102² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212730525102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212730525101) 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, 412268202 + ... + 412268717.

It is an arithmetic number, because the mean of its divisors is an integer number (27209718360).

Almost surely, 2^212730525102 is an apocalyptic number.

212730525102 is an abundant number, since it is smaller than the sum of its proper divisors (222624968658).

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

212730525102 is a wasteful number, since it uses less digits than its factorization.

212730525102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824536967.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 212730525102 in words is "two hundred twelve billion, seven hundred thirty million, five hundred twenty-five thousand, one hundred two".