125212405320 has 96 divisors (see below), whose sum is σ = 407867803200. Its totient is φ = 33313873536.

The previous prime is 125212405291. The next prime is 125212405369. The reversal of 125212405320 is 23504212521.

125212405320 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 124 + 0 + 532 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238102 + ... + 554181.

It is an arithmetic number, because the mean of its divisors is an integer number (4248622950).

Almost surely, 2^125212405320 is an apocalyptic number.

125212405320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125212405320 is an abundant number, since it is smaller than the sum of its proper divisors (282655397880).

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

125212405320 is a wasteful number, since it uses less digits than its factorization.

125212405320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792739 (or 792732 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 125212405320 its reverse (23504212521), we get a palindrome (148716617841).

The spelling of 125212405320 in words is "one hundred twenty-five billion, two hundred twelve million, four hundred five thousand, three hundred twenty".