12406653466226 has 4 divisors (see below), whose sum is σ = 18609980199342. Its totient is φ = 6203326733112.

The previous prime is 12406653466213. The next prime is 12406653466261. The reversal of 12406653466226 is 62266435660421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12103795860601 + 302857605625 = 3479051^2 + 550325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3101663366555 + ... + 3101663366558.

Almost surely, 2^{12406653466226} is an apocalyptic number.

12406653466226 is a deficient number, since it is larger than the sum of its proper divisors (6203326733116).

12406653466226 is an equidigital number, since it uses as much as digits as its factorization.

12406653466226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203326733115.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 12406653466226 in words is "twelve trillion, four hundred six billion, six hundred fifty-three million, four hundred sixty-six thousand, two hundred twenty-six".