11222000012 has 12 divisors (see below), whose sum is σ = 20492348016. Its totient is φ = 5367043440.

The previous prime is 11221999991. The next prime is 11222000021. The reversal of 11222000012 is 21000022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11221999957 and 11222000002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60989039 + ... + 60989222.

It is an arithmetic number, because the mean of its divisors is an integer number (1707695668).

Almost surely, 2^11222000012 is an apocalyptic number.

It is an amenable number.

11222000012 is a deficient number, since it is larger than the sum of its proper divisors (9270348004).

11222000012 is a wasteful number, since it uses less digits than its factorization.

11222000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121978288 (or 121978286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11222000012 its reverse (21000022211), we get a palindrome (32222022223).

The spelling of 11222000012 in words is "eleven billion, two hundred twenty-two million, twelve", and thus it is an aban number.