12126610222 has 4 divisors (see below), whose sum is σ = 18189915336. Its totient is φ = 6063305110.

The previous prime is 12126610193. The next prime is 12126610231. The reversal of 12126610222 is 22201662121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22201662121 = 7333 ⋅3027637.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3031652554 + ... + 3031652557.

It is an arithmetic number, because the mean of its divisors is an integer number (4547478834).

Almost surely, 2^12126610222 is an apocalyptic number.

12126610222 is a deficient number, since it is larger than the sum of its proper divisors (6063305114).

12126610222 is an equidigital number, since it uses as much as digits as its factorization.

12126610222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063305113.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 12126610222 in words is "twelve billion, one hundred twenty-six million, six hundred ten thousand, two hundred twenty-two".