25012023100 has 18 divisors (see below), whose sum is σ = 54276090344. Its totient is φ = 10004809200.

The previous prime is 25012023097. The next prime is 25012023103. The reversal of 25012023100 is 132021052.

It is an interprime number because it is at equal distance from previous prime (25012023097) and next prime (25012023103).

It is a super-2 number, since 2×25012023100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012023103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125060016 + ... + 125060215.

Almost surely, 2^25012023100 is an apocalyptic number.

25012023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25012023100 is an abundant number, since it is smaller than the sum of its proper divisors (29264067244).

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

25012023100 is a wasteful number, since it uses less digits than its factorization.

25012023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250120245 (or 250120238 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 25012023100 its reverse (132021052), we get a palindrome (25144044152).

The spelling of 25012023100 in words is "twenty-five billion, twelve million, twenty-three thousand, one hundred".