125321023405200 has 120 divisors (see below), whose sum is σ = 458794299049408. Its totient is φ = 28644805347840.

The previous prime is 125321023405183. The next prime is 125321023405243. The reversal of 125321023405200 is 2504320123521.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 7459576327 + ... + 7459593126.

Almost surely, 2^{125321023405200} is an apocalyptic number.

125321023405200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125321023405200 is an abundant number, since it is smaller than the sum of its proper divisors (333473275644208).

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

125321023405200 is a wasteful number, since it uses less digits than its factorization.

125321023405200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14919169481 (or 14919169470 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 125321023405200 its reverse (2504320123521), we get a palindrome (127825343528721).

The spelling of 125321023405200 in words is "one hundred twenty-five trillion, three hundred twenty-one billion, twenty-three million, four hundred five thousand, two hundred".