25212952200 has 48 divisors (see below), whose sum is σ = 78160153680. Its totient is φ = 6723453760.

The previous prime is 25212952189. The next prime is 25212952201. The reversal of 25212952200 is 225921252.

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

It is not an unprimeable number, because it can be changed into a prime (25212952201) 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, 21010194 + ... + 21011393.

It is an arithmetic number, because the mean of its divisors is an integer number (1628336535).

Almost surely, 2^25212952200 is an apocalyptic number.

25212952200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25212952200 is an abundant number, since it is smaller than the sum of its proper divisors (52947201480).

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

25212952200 is a wasteful number, since it uses less digits than its factorization.

25212952200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42021606 (or 42021597 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 25212952200 in words is "twenty-five billion, two hundred twelve million, nine hundred fifty-two thousand, two hundred".