12222000044 has 6 divisors (see below), whose sum is σ = 21388500084. Its totient is φ = 6111000020.

The previous prime is 12222000031. The next prime is 12222000101. The reversal of 12222000044 is 44000022221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12221999986 and 12222000031.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527750002 + ... + 1527750009.

It is an arithmetic number, because the mean of its divisors is an integer number (3564750014).

Almost surely, 2^12222000044 is an apocalyptic number.

It is an amenable number.

12222000044 is a deficient number, since it is larger than the sum of its proper divisors (9166500040).

12222000044 is a wasteful number, since it uses less digits than its factorization.

12222000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055500015 (or 3055500013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 12222000044 its reverse (44000022221), we get a palindrome (56222022265).

The spelling of 12222000044 in words is "twelve billion, two hundred twenty-two million, forty-four", and thus it is an aban number.