25310242122 has 32 divisors (see below), whose sum is σ = 56127639744. Its totient is φ = 7544035200.

The previous prime is 25310242033. The next prime is 25310242189. The reversal of 25310242122 is 22124201352.

It is a junction number, because it is equal to n+sod(n) for n = 25310242092 and 25310242101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139323 + ... + 3147374.

It is an arithmetic number, because the mean of its divisors is an integer number (1753988742).

Almost surely, 2^25310242122 is an apocalyptic number.

25310242122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25310242122 is an abundant number, since it is smaller than the sum of its proper divisors (30817397622).

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

25310242122 is a wasteful number, since it uses less digits than its factorization.

25310242122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286774.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 25310242122 its reverse (22124201352), we get a palindrome (47434443474).

The spelling of 25310242122 in words is "twenty-five billion, three hundred ten million, two hundred forty-two thousand, one hundred twenty-two".