12543770402112 has 56 divisors (see below), whose sum is σ = 33189030270016. Its totient is φ = 4181218449408.

The previous prime is 12543770402089. The next prime is 12543770402129. The reversal of 12543770402112 is 21120407734521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27283128 + ... + 27739080.

Almost surely, 2^{12543770402112} is an apocalyptic number.

12543770402112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12543770402112 is an abundant number, since it is smaller than the sum of its proper divisors (20645259867904).

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

12543770402112 is a wasteful number, since it uses less digits than its factorization.

12543770402112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599255 (or 599245 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 12543770402112 in words is "twelve trillion, five hundred forty-three billion, seven hundred seventy million, four hundred two thousand, one hundred twelve".