2112645146742 has 64 divisors (see below), whose sum is σ = 5353308999360. Its totient is φ = 611806735872.

The previous prime is 2112645146719. The next prime is 2112645146753. The reversal of 2112645146742 is 2476415462112.

2112645146742 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 64 + 514 + 6 + 74 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88501773 + ... + 88525640.

It is an arithmetic number, because the mean of its divisors is an integer number (83645453115).

Almost surely, 2^{2112645146742} is an apocalyptic number.

2112645146742 is an abundant number, since it is smaller than the sum of its proper divisors (3240663852618).

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

2112645146742 is a wasteful number, since it uses less digits than its factorization.

2112645146742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177027454 (or 177027448 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 2112645146742 in words is "two trillion, one hundred twelve billion, six hundred forty-five million, one hundred forty-six thousand, seven hundred forty-two".