25012124134 has 64 divisors (see below), whose sum is σ = 42762240000. Its totient is φ = 10909689120.

The previous prime is 25012124099. The next prime is 25012124141. The reversal of 25012124134 is 43142121052.

It is a junction number, because it is equal to n+sod(n) for n = 25012124099 and 25012124108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5389387 + ... + 5394025.

It is an arithmetic number, because the mean of its divisors is an integer number (668160000).

Almost surely, 2^25012124134 is an apocalyptic number.

25012124134 is a deficient number, since it is larger than the sum of its proper divisors (17750115866).

25012124134 is a wasteful number, since it uses less digits than its factorization.

25012124134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 25012124134 its reverse (43142121052), we get a palindrome (68154245186).

The spelling of 25012124134 in words is "twenty-five billion, twelve million, one hundred twenty-four thousand, one hundred thirty-four".