20120032125 has 32 divisors (see below), whose sum is σ = 37199710080. Its totient is φ = 10730682000.

The previous prime is 20120032123. The next prime is 20120032133. The reversal of 20120032125 is 52123002102.

It is not a de Polignac number, because 20120032125 - 2¹ = 20120032123 is a prime.

It is a super-2 number, since 2×20120032125² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20120032098 and 20120032107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120032123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2977371 + ... + 2984120.

It is an arithmetic number, because the mean of its divisors is an integer number (1162490940).

Almost surely, 2^20120032125 is an apocalyptic number.

20120032125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20120032125 is a deficient number, since it is larger than the sum of its proper divisors (17079677955).

20120032125 is an equidigital number, since it uses as much as digits as its factorization.

20120032125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961515 (or 5961499 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20120032125 its reverse (52123002102), we get a palindrome (72243034227).

The spelling of 20120032125 in words is "twenty billion, one hundred twenty million, thirty-two thousand, one hundred twenty-five".