12417145226 has 4 divisors (see below), whose sum is σ = 18625717842. Its totient is φ = 6208572612.

The previous prime is 12417145211. The next prime is 12417145331. The reversal of 12417145226 is 62254171421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62254171421 = 13 ⋅4788782417.

It can be written as a sum of positive squares in only one way, i.e., 11899537225 + 517608001 = 109085^2 + 22751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104286305 + ... + 3104286308.

Almost surely, 2^12417145226 is an apocalyptic number.

12417145226 is a deficient number, since it is larger than the sum of its proper divisors (6208572616).

12417145226 is an equidigital number, since it uses as much as digits as its factorization.

12417145226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208572615.

The product of its digits is 26880, while the sum is 35.

The spelling of 12417145226 in words is "twelve billion, four hundred seventeen million, one hundred forty-five thousand, two hundred twenty-six".