125253200000 has 96 divisors (see below), whose sum is σ = 311890858020. Its totient is φ = 50101120000.

The previous prime is 125253199949. The next prime is 125253200021. The reversal of 125253200000 is 2352521.

It can be written as a sum of positive squares in 6 ways, for example, as 3775856704 + 121477343296 = 61448^2 + 348536^2 .

It is a super-2 number, since 2×125253200000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243434 + ... + 556566.

Almost surely, 2^125253200000 is an apocalyptic number.

125253200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125253200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155945429010).

125253200000 is an abundant number, since it is smaller than the sum of its proper divisors (186637658020).

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

125253200000 is an frugal number, since it uses more digits than its factorization.

125253200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313172 (or 313140 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 125253200000 its reverse (2352521), we get a palindrome (125255552521).

The spelling of 125253200000 in words is "one hundred twenty-five billion, two hundred fifty-three million, two hundred thousand".