12290654217 has 4 divisors (see below), whose sum is σ = 16387538960. Its totient is φ = 8193769476.

The previous prime is 12290654197. The next prime is 12290654231. The reversal of 12290654217 is 71245609221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12290654217 - 2⁶ = 12290654153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12290654287) 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, 2048442367 + ... + 2048442372.

It is an arithmetic number, because the mean of its divisors is an integer number (4096884740).

Almost surely, 2^12290654217 is an apocalyptic number.

It is an amenable number.

12290654217 is a deficient number, since it is larger than the sum of its proper divisors (4096884743).

12290654217 is an equidigital number, since it uses as much as digits as its factorization.

12290654217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096884742.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 12290654217 in words is "twelve billion, two hundred ninety million, six hundred fifty-four thousand, two hundred seventeen".