12896949542 has 48 divisors (see below), whose sum is σ = 21318778800. Its totient is φ = 5843275200.

The previous prime is 12896949529. The next prime is 12896949557. The reversal of 12896949542 is 24594969821.

It is a happy number.

12896949542 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2279417 + ... + 2285067.

It is an arithmetic number, because the mean of its divisors is an integer number (444141225).

Almost surely, 2^12896949542 is an apocalyptic number.

12896949542 is a deficient number, since it is larger than the sum of its proper divisors (8421829258).

12896949542 is a wasteful number, since it uses less digits than its factorization.

12896949542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829 (or 5810 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 59.

The spelling of 12896949542 in words is "twelve billion, eight hundred ninety-six million, nine hundred forty-nine thousand, five hundred forty-two".