22021212202012 has 12 divisors (see below), whose sum is σ = 38537331442960. Its totient is φ = 11010546075456.

The previous prime is 22021212202007. The next prime is 22021212202021. The reversal of 22021212202012 is 21020221212022.

22021212202012 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 14175837 + ... + 15652372.

Almost surely, 2^{22021212202012} is an apocalyptic number.

It is an amenable number.

22021212202012 is a deficient number, since it is larger than the sum of its proper divisors (16516119240948).

22021212202012 is a wasteful number, since it uses less digits than its factorization.

22021212202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30012780 (or 30012778 counting only the distinct ones).

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

Adding to 22021212202012 its reverse (21020221212022), we get a palindrome (43041433414034).

The spelling of 22021212202012 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, two hundred two thousand, twelve".