2125100024400 has 120 divisors (see below), whose sum is σ = 6965715628960. Its totient is φ = 553514411520.

The previous prime is 2125100024393. The next prime is 2125100024417. The reversal of 2125100024400 is 44200015212.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×2125100024400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20540455 + ... + 20643654.

Almost surely, 2^{2125100024400} is an apocalyptic number.

2125100024400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125100024400 is an abundant number, since it is smaller than the sum of its proper divisors (4840615604560).

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

2125100024400 is a wasteful number, since it uses less digits than its factorization.

2125100024400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41184173 (or 41184162 counting only the distinct ones).

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

Adding to 2125100024400 its reverse (44200015212), we get a palindrome (2169300039612).

The spelling of 2125100024400 in words is "two trillion, one hundred twenty-five billion, one hundred million, twenty-four thousand, four hundred".