22012212022012 has 6 divisors (see below), whose sum is σ = 38521371038528. Its totient is φ = 11006106011004.

The previous prime is 22012212021973. The next prime is 22012212022079. The reversal of 22012212022012 is 21022021221022.

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, 2751526502748 + ... + 2751526502755.

Almost surely, 2^{22012212022012} is an apocalyptic number.

It is an amenable number.

22012212022012 is a deficient number, since it is larger than the sum of its proper divisors (16509159016516).

22012212022012 is a wasteful number, since it uses less digits than its factorization.

22012212022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503053005507 (or 5503053005505 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22012212022012 its reverse (21022021221022), we get a palindrome (43034233243034).

The spelling of 22012212022012 in words is "twenty-two trillion, twelve billion, two hundred twelve million, twenty-two thousand, twelve".