25040122122 has 32 divisors (see below), whose sum is σ = 50841288000. Its totient is φ = 8219933568.

The previous prime is 25040122111. The next prime is 25040122127. The reversal of 25040122122 is 22122104052.

It is not an unprimeable number, because it can be changed into a prime (25040122127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281504 + ... + 2292452.

It is an arithmetic number, because the mean of its divisors is an integer number (1588790250).

Almost surely, 2^25040122122 is an apocalyptic number.

25040122122 is an abundant number, since it is smaller than the sum of its proper divisors (25801165878).

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

25040122122 is a wasteful number, since it uses less digits than its factorization.

25040122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16710.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 25040122122 its reverse (22122104052), we get a palindrome (47162226174).

The spelling of 25040122122 in words is "twenty-five billion, forty million, one hundred twenty-two thousand, one hundred twenty-two".