25122005330 has 16 divisors (see below), whose sum is σ = 45223657560. Its totient is φ = 10047902592.

The previous prime is 25122005309. The next prime is 25122005351. The reversal of 25122005330 is 3350022152.

It is an interprime number because it is at equal distance from previous prime (25122005309) and next prime (25122005351).

It can be written as a sum of positive squares in 4 ways, for example, as 20739168121 + 4382837209 = 144011^2 + 66203^2 .

It is a super-2 number, since 2×25122005330² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25122005296 and 25122005305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11342 + ... + 224438.

Almost surely, 2^25122005330 is an apocalyptic number.

25122005330 is a deficient number, since it is larger than the sum of its proper divisors (20101652230).

25122005330 is a wasteful number, since it uses less digits than its factorization.

25122005330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224893.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 25122005330 its reverse (3350022152), we get a palindrome (28472027482).

The spelling of 25122005330 in words is "twenty-five billion, one hundred twenty-two million, five thousand, three hundred thirty".