22220222122012 has 12 divisors (see below), whose sum is σ = 39165139712440. Its totient is φ = 11030182204176.

The previous prime is 22220222121991. The next prime is 22220222122039. The reversal of 22220222122012 is 21022122202222.

It is a congruent number.

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, 19982213583 + ... + 19982214694.

Almost surely, 2^{22220222122012} is an apocalyptic number.

It is an amenable number.

22220222122012 is a deficient number, since it is larger than the sum of its proper divisors (16944917590428).

22220222122012 is a wasteful number, since it uses less digits than its factorization.

22220222122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39964428420 (or 39964428418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22220222122012 its reverse (21022122202222), we get a palindrome (43242344324234).

The spelling of 22220222122012 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, twelve".