12222616988 has 6 divisors (see below), whose sum is σ = 21389579736. Its totient is φ = 6111308492.

The previous prime is 12222616943. The next prime is 12222616993. The reversal of 12222616988 is 88961622221.

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, 1527827120 + ... + 1527827127.

It is an arithmetic number, because the mean of its divisors is an integer number (3564929956).

Almost surely, 2^12222616988 is an apocalyptic number.

It is an amenable number.

12222616988 is a deficient number, since it is larger than the sum of its proper divisors (9166962748).

12222616988 is a wasteful number, since it uses less digits than its factorization.

12222616988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055654251 (or 3055654249 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The spelling of 12222616988 in words is "twelve billion, two hundred twenty-two million, six hundred sixteen thousand, nine hundred eighty-eight".