12661470284 has 12 divisors (see below), whose sum is σ = 23120945904. Its totient is φ = 6055485744.

The previous prime is 12661470281. The next prime is 12661470299. The reversal of 12661470284 is 48207416621.

It is not an unprimeable number, because it can be changed into a prime (12661470281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68812247 + ... + 68812430.

It is an arithmetic number, because the mean of its divisors is an integer number (1926745492).

Almost surely, 2^12661470284 is an apocalyptic number.

It is an amenable number.

12661470284 is a deficient number, since it is larger than the sum of its proper divisors (10459475620).

12661470284 is a wasteful number, since it uses less digits than its factorization.

12661470284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137624704 (or 137624702 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 12661470284 in words is "twelve billion, six hundred sixty-one million, four hundred seventy thousand, two hundred eighty-four".