12222112111002 has 16 divisors (see below), whose sum is σ = 27160249135680. Its totient is φ = 4074037370316.

The previous prime is 12222112110983. The next prime is 12222112111129. The reversal of 12222112111002 is 20011121122221.

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

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, 113167704678 + ... + 113167704785.

It is an arithmetic number, because the mean of its divisors is an integer number (1697515570980).

Almost surely, 2^{12222112111002} is an apocalyptic number.

12222112111002 is an abundant number, since it is smaller than the sum of its proper divisors (14938137024678).

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

12222112111002 is a wasteful number, since it uses less digits than its factorization.

12222112111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226335409474 (or 226335409468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12222112111002 its reverse (20011121122221), we get a palindrome (32233233233223).

The spelling of 12222112111002 in words is "twelve trillion, two hundred twenty-two billion, one hundred twelve million, one hundred eleven thousand, two".