25112420412 has 12 divisors (see below), whose sum is σ = 58595647656. Its totient is φ = 8370806800.

The previous prime is 25112420317. The next prime is 25112420413. The reversal of 25112420412 is 21402421152.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112420413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046350839 + ... + 1046350862.

It is an arithmetic number, because the mean of its divisors is an integer number (4882970638).

Almost surely, 2^25112420412 is an apocalyptic number.

It is an amenable number.

25112420412 is an abundant number, since it is smaller than the sum of its proper divisors (33483227244).

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

25112420412 is a wasteful number, since it uses less digits than its factorization.

25112420412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092701708 (or 2092701706 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 25112420412 its reverse (21402421152), we get a palindrome (46514841564).

The spelling of 25112420412 in words is "twenty-five billion, one hundred twelve million, four hundred twenty thousand, four hundred twelve".