2150420122125 has 144 divisors (see below), whose sum is σ = 4314893506560. Its totient is φ = 1029424968000.

The previous prime is 2150420122069. The next prime is 2150420122129. The reversal of 2150420122125 is 5212210240512.

2150420122125 is a `hidden beast` number, since 2 + 1 + 504 + 20 + 12 + 2 + 125 = 666.

It is not a de Polignac number, because 2150420122125 - 2⁸ = 2150420121869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150420122129) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10653892 + ... + 10853858.

It is an arithmetic number, because the mean of its divisors is an integer number (29964538240).

Almost surely, 2^{2150420122125} is an apocalyptic number.

2150420122125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150420122125 is an abundant number, since it is smaller than the sum of its proper divisors (2164473384435).

2150420122125 is a wasteful number, since it uses less digits than its factorization.

2150420122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200089 (or 200065 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 2150420122125 its reverse (5212210240512), we get a palindrome (7362630362637).

The spelling of 2150420122125 in words is "two trillion, one hundred fifty billion, four hundred twenty million, one hundred twenty-two thousand, one hundred twenty-five".