12721116261302 has 16 divisors (see below), whose sum is σ = 19505034066672. Its totient is φ = 6220220067360.

The previous prime is 12721116261241. The next prime is 12721116261307. The reversal of 12721116261302 is 20316261112721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12721116261307) 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, 195424349 + ... + 195489432.

It is an arithmetic number, because the mean of its divisors is an integer number (1219064629167).

Almost surely, 2^{12721116261302} is an apocalyptic number.

12721116261302 is a deficient number, since it is larger than the sum of its proper divisors (6783917805370).

12721116261302 is a wasteful number, since it uses less digits than its factorization.

12721116261302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390914143.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 12721116261302 in words is "twelve trillion, seven hundred twenty-one billion, one hundred sixteen million, two hundred sixty-one thousand, three hundred two".