2112452688438 has 24 divisors (see below), whose sum is σ = 4578620840976. Its totient is φ = 703898586000.

The previous prime is 2112452688389. The next prime is 2112452688461. The reversal of 2112452688438 is 8348862542112.

2112452688438 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 4 + 526 + 8 + 84 + 38 = 666.

It is a Curzon number.

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, 20974213 + ... + 21074688.

It is an arithmetic number, because the mean of its divisors is an integer number (190775868374).

Almost surely, 2^{2112452688438} is an apocalyptic number.

2112452688438 is an abundant number, since it is smaller than the sum of its proper divisors (2466168152538).

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

2112452688438 is a wasteful number, since it uses less digits than its factorization.

2112452688438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42051700 (or 42051697 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 54.

The spelling of 2112452688438 in words is "two trillion, one hundred twelve billion, four hundred fifty-two million, six hundred eighty-eight thousand, four hundred thirty-eight".