12213330994 has 4 divisors (see below), whose sum is σ = 18319996494. Its totient is φ = 6106665496.

The previous prime is 12213330973. The next prime is 12213331007. The reversal of 12213330994 is 49903331221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49903331221 = 73 ⋅683607277.

It can be written as a sum of positive squares in only one way, i.e., 10839516769 + 1373814225 = 104113^2 + 37065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3053332747 + ... + 3053332750.

Almost surely, 2^12213330994 is an apocalyptic number.

12213330994 is a deficient number, since it is larger than the sum of its proper divisors (6106665500).

12213330994 is an equidigital number, since it uses as much as digits as its factorization.

12213330994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106665499.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 12213330994 in words is "twelve billion, two hundred thirteen million, three hundred thirty thousand, nine hundred ninety-four".