632121147252 has 36 divisors (see below), whose sum is σ = 1826127759456. Its totient is φ = 180606042000.

The previous prime is 632121147209. The next prime is 632121147313. The reversal of 632121147252 is 252741121236.

632121147252 is a `hidden beast` number, since 6 + 321 + 211 + 4 + 72 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254208374 + ... + 1254208877.

It is an arithmetic number, because the mean of its divisors is an integer number (50725771096).

Almost surely, 2^632121147252 is an apocalyptic number.

It is an amenable number.

632121147252 is an abundant number, since it is smaller than the sum of its proper divisors (1194006612204).

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

632121147252 is a wasteful number, since it uses less digits than its factorization.

632121147252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508417268 (or 2508417263 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

Adding to 632121147252 its reverse (252741121236), we get a palindrome (884862268488).

The spelling of 632121147252 in words is "six hundred thirty-two billion, one hundred twenty-one million, one hundred forty-seven thousand, two hundred fifty-two".