25201252124 has 6 divisors (see below), whose sum is σ = 44102191224. Its totient is φ = 12600626060.

The previous prime is 25201252117. The next prime is 25201252159. The reversal of 25201252124 is 42125210252.

It is a super-2 number, since 2×25201252124² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25201252093 and 25201252102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3150156512 + ... + 3150156519.

It is an arithmetic number, because the mean of its divisors is an integer number (7350365204).

Almost surely, 2^25201252124 is an apocalyptic number.

It is an amenable number.

25201252124 is a deficient number, since it is larger than the sum of its proper divisors (18900939100).

25201252124 is a wasteful number, since it uses less digits than its factorization.

25201252124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300313035 (or 6300313033 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 25201252124 its reverse (42125210252), we get a palindrome (67326462376).

The spelling of 25201252124 in words is "twenty-five billion, two hundred one million, two hundred fifty-two thousand, one hundred twenty-four".