12701802646 has 16 divisors (see below), whose sum is σ = 20621412000. Its totient is φ = 5832908928.

The previous prime is 12701802611. The next prime is 12701802649. The reversal of 12701802646 is 64620810721.

It is a super-2 number, since 2×12701802646² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701802649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222291 + ... + 1232638.

It is an arithmetic number, because the mean of its divisors is an integer number (1288838250).

Almost surely, 2^12701802646 is an apocalyptic number.

12701802646 is a deficient number, since it is larger than the sum of its proper divisors (7919609354).

12701802646 is a wasteful number, since it uses less digits than its factorization.

12701802646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455143.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 12701802646 in words is "twelve billion, seven hundred one million, eight hundred two thousand, six hundred forty-six".