125215412452320 has 96 divisors (see below), whose sum is σ = 394444400136192. Its totient is φ = 33389434778112.

The previous prime is 125215412452259. The next prime is 125215412452357. The reversal of 125215412452320 is 23254214512521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×125215412452320² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6743409 + ... + 17201871.

It is an arithmetic number, because the mean of its divisors is an integer number (4108795834752).

Almost surely, 2^{125215412452320} is an apocalyptic number.

125215412452320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125215412452320 is an abundant number, since it is smaller than the sum of its proper divisors (269228987683872).

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

125215412452320 is a wasteful number, since it uses less digits than its factorization.

125215412452320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483424 (or 10483416 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 125215412452320 its reverse (23254214512521), we get a palindrome (148469626964841).

The spelling of 125215412452320 in words is "one hundred twenty-five trillion, two hundred fifteen billion, four hundred twelve million, four hundred fifty-two thousand, three hundred twenty".