12221314002 has 24 divisors (see below), whose sum is σ = 26736600384. Its totient is φ = 4034219544.

The previous prime is 12221313947. The next prime is 12221314003. The reversal of 12221314002 is 20041312221.

It is a happy number.

12221314002 is a `hidden beast` number, since 12 + 221 + 31 + 400 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12221314003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294078 + ... + 3297785.

It is an arithmetic number, because the mean of its divisors is an integer number (1114025016).

Almost surely, 2^12221314002 is an apocalyptic number.

12221314002 is an abundant number, since it is smaller than the sum of its proper divisors (14515286382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221314002 is a wasteful number, since it uses less digits than its factorization.

12221314002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591974 (or 6591971 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12221314002 its reverse (20041312221), we get a palindrome (32262626223).

The spelling of 12221314002 in words is "twelve billion, two hundred twenty-one million, three hundred fourteen thousand, two".