11222222000012 has 24 divisors (see below), whose sum is σ = 19794029359104. Its totient is φ = 5566787290512.

The previous prime is 11222221999969. The next prime is 11222222000029. The reversal of 11222222000012 is 21000022222211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21323423 + ... + 21843369.

It is an arithmetic number, because the mean of its divisors is an integer number (824751223296).

Almost surely, 2^{11222222000012} is an apocalyptic number.

It is an amenable number.

11222222000012 is a deficient number, since it is larger than the sum of its proper divisors (8571807359092).

11222222000012 is a wasteful number, since it uses less digits than its factorization.

11222222000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562565 (or 562563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222222000012 its reverse (21000022222211), we get a palindrome (32222244222223).

The spelling of 11222222000012 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty-two million, twelve", and thus it is an aban number.