11912212424400 has 60 divisors (see below), whose sum is σ = 38158787136672. Its totient is φ = 3176589979520.

The previous prime is 11912212424297. The next prime is 11912212424449. The reversal of 11912212424400 is 442421221911.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963420644 + ... + 4963423043.

Almost surely, 2^{11912212424400} is an apocalyptic number.

11912212424400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11912212424400 is an abundant number, since it is smaller than the sum of its proper divisors (26246574712272).

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

11912212424400 is a wasteful number, since it uses less digits than its factorization.

11912212424400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9926843708 (or 9926843697 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 11912212424400 in words is "eleven trillion, nine hundred twelve billion, two hundred twelve million, four hundred twenty-four thousand, four hundred".