1222210002112 has 28 divisors (see below), whose sum is σ = 2645806881096. Its totient is φ = 555550000640.

The previous prime is 1222210002109. The next prime is 1222210002121. The reversal of 1222210002112 is 2112000122221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 868046173 + ... + 868047580.

Almost surely, 2^{1222210002112} is an apocalyptic number.

It is an amenable number.

1222210002112 is an abundant number, since it is smaller than the sum of its proper divisors (1423596878984).

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

1222210002112 is a wasteful number, since it uses less digits than its factorization.

1222210002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736093776 (or 1736093766 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222210002112 its reverse (2112000122221), we get a palindrome (3334210124333).

The spelling of 1222210002112 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, two thousand, one hundred twelve".