2202212111212 has 6 divisors (see below), whose sum is σ = 3853871194628. Its totient is φ = 1101106055604.

The previous prime is 2202212111207. The next prime is 2202212111243. The reversal of 2202212111212 is 2121112122022.

It is a super-2 number, since 2×2202212111212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2202212111212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275276513898 + ... + 275276513905.

Almost surely, 2^{2202212111212} is an apocalyptic number.

It is an amenable number.

2202212111212 is a deficient number, since it is larger than the sum of its proper divisors (1651659083416).

2202212111212 is a wasteful number, since it uses less digits than its factorization.

2202212111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550553027807 (or 550553027805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2202212111212 its reverse (2121112122022), we get a palindrome (4323324233234).

The spelling of 2202212111212 in words is "two trillion, two hundred two billion, two hundred twelve million, one hundred eleven thousand, two hundred twelve".