12207261646 has 8 divisors (see below), whose sum is σ = 18312248664. Its totient is φ = 6103178760.

The previous prime is 12207261643. The next prime is 12207261679. The reversal of 12207261646 is 64616270221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12207261643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191205 + ... + 246928.

It is an arithmetic number, because the mean of its divisors is an integer number (2289031083).

Almost surely, 2^12207261646 is an apocalyptic number.

12207261646 is a deficient number, since it is larger than the sum of its proper divisors (6104987018).

12207261646 is a wasteful number, since it uses less digits than its factorization.

12207261646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452066.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 12207261646 in words is "twelve billion, two hundred seven million, two hundred sixty-one thousand, six hundred forty-six".