125350421200 has 60 divisors (see below), whose sum is σ = 301223324268. Its totient is φ = 50128691200.

The previous prime is 125350421137. The next prime is 125350421201. The reversal of 125350421200 is 2124053521.

It can be written as a sum of positive squares in 6 ways, for example, as 504092304 + 124846328896 = 22452^2 + 353336^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125350421201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835670 + ... + 1902730.

Almost surely, 2^125350421200 is an apocalyptic number.

125350421200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125350421200 is an abundant number, since it is smaller than the sum of its proper divisors (175872903068).

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

125350421200 is a wasteful number, since it uses less digits than its factorization.

125350421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71752 (or 71741 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 125350421200 its reverse (2124053521), we get a palindrome (127474474721).

The spelling of 125350421200 in words is "one hundred twenty-five billion, three hundred fifty million, four hundred twenty-one thousand, two hundred".