12226212036 has 48 divisors (see below), whose sum is σ = 33365886400. Its totient is φ = 3860908416.

The previous prime is 12226212007. The next prime is 12226212077. The reversal of 12226212036 is 63021262221.

It is a happy number.

12226212036 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 621 + 2 + 0 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977045 + ... + 2981148.

Almost surely, 2^12226212036 is an apocalyptic number.

It is an amenable number.

12226212036 is an abundant number, since it is smaller than the sum of its proper divisors (21139674364).

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

12226212036 is a wasteful number, since it uses less digits than its factorization.

12226212036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958225 (or 5958217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12226212036 its reverse (63021262221), we get a palindrome (75247474257).

The spelling of 12226212036 in words is "twelve billion, two hundred twenty-six million, two hundred twelve thousand, thirty-six".