210423540025512 has 72 divisors (see below), whose sum is σ = 626415807023370. Its totient is φ = 63764709096000.

The previous prime is 210423540025507. The next prime is 210423540025537. The reversal of 210423540025512 is 215520045324012.

210423540025512 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 235 + 400 + 2 + 5 + 5 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135577752413796 + 74845787611716 = 11643786^2 + 8651346^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×210423540025512² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12076640739 + ... + 12076658162.

Almost surely, 2^{210423540025512} is an apocalyptic number.

210423540025512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210423540025512 is an abundant number, since it is smaller than the sum of its proper divisors (415992266997858).

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

210423540025512 is a wasteful number, since it uses less digits than its factorization.

210423540025512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24153298935 (or 24153298917 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 210423540025512 its reverse (215520045324012), we get a palindrome (425943585349524).

The spelling of 210423540025512 in words is "two hundred ten trillion, four hundred twenty-three billion, five hundred forty million, twenty-five thousand, five hundred twelve".