22222210202012 has 6 divisors (see below), whose sum is σ = 38888867853528. Its totient is φ = 11111105101004.

The previous prime is 22222210201949. The next prime is 22222210202051. The reversal of 22222210202012 is 21020201222222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777776275248 + ... + 2777776275255.

It is an arithmetic number, because the mean of its divisors is an integer number (6481477975588).

Almost surely, 2^{22222210202012} is an apocalyptic number.

It is an amenable number.

22222210202012 is a deficient number, since it is larger than the sum of its proper divisors (16666657651516).

22222210202012 is a wasteful number, since it uses less digits than its factorization.

22222210202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555552550507 (or 5555552550505 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222210202012 its reverse (21020201222222), we get a palindrome (43242411424234).

The spelling of 22222210202012 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred ten million, two hundred two thousand, twelve".