12620547345802 has 32 divisors (see below), whose sum is σ = 20803251202560. Its totient is φ = 5694546804480.

The previous prime is 12620547345793. The next prime is 12620547345851. The reversal of 12620547345802 is 20854374502621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126806503 + ... + 126905989.

It is an arithmetic number, because the mean of its divisors is an integer number (650101600080).

Almost surely, 2^{12620547345802} is an apocalyptic number.

12620547345802 is a deficient number, since it is larger than the sum of its proper divisors (8182703856758).

12620547345802 is a wasteful number, since it uses less digits than its factorization.

12620547345802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141726.

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 12620547345802 in words is "twelve trillion, six hundred twenty billion, five hundred forty-seven million, three hundred forty-five thousand, eight hundred two".