12222101211222 has 32 divisors (see below), whose sum is σ = 28617602840064. Its totient is φ = 3406857480000.

The previous prime is 12222101211217. The next prime is 12222101211239. The reversal of 12222101211222 is 22211210122221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 3548808154 + ... + 3548811597.

It is an arithmetic number, because the mean of its divisors is an integer number (894300088752).

Almost surely, 2^{12222101211222} is an apocalyptic number.

12222101211222 is an abundant number, since it is smaller than the sum of its proper divisors (16395501628842).

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

12222101211222 is a wasteful number, since it uses less digits than its factorization.

12222101211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097619804.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12222101211222 its reverse (22211210122221), we get a palindrome (34433311333443).

The spelling of 12222101211222 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, two hundred eleven thousand, two hundred twenty-two".