25216202312 has 32 divisors (see below), whose sum is σ = 54040504320. Its totient is φ = 10805786880.

The previous prime is 25216202299. The next prime is 25216202419. The reversal of 25216202312 is 21320261252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691808 + ... + 727344.

It is an arithmetic number, because the mean of its divisors is an integer number (1688765760).

Almost surely, 2^25216202312 is an apocalyptic number.

It is an amenable number.

25216202312 is an abundant number, since it is smaller than the sum of its proper divisors (28824302008).

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

25216202312 is a wasteful number, since it uses less digits than its factorization.

25216202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48221 (or 48217 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 25216202312 its reverse (21320261252), we get a palindrome (46536463564).

The spelling of 25216202312 in words is "twenty-five billion, two hundred sixteen million, two hundred two thousand, three hundred twelve".