12100542400 has 42 divisors (see below), whose sum is σ = 29774901080. Its totient is φ = 4840216320.

The previous prime is 12100542371. The next prime is 12100542463. The reversal of 12100542400 is 424500121.

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 5 ways as a sum of consecutive naturals, for example, 3779820 + ... + 3783019.

Almost surely, 2^12100542400 is an apocalyptic number.

12100542400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100542400 is an abundant number, since it is smaller than the sum of its proper divisors (17674358680).

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

12100542400 is an equidigital number, since it uses as much as digits as its factorization.

12100542400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562861 (or 7562846 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The spelling of 12100542400 in words is "twelve billion, one hundred million, five hundred forty-two thousand, four hundred".