22220012012212 has 48 divisors (see below), whose sum is σ = 44467734528000. Its totient is φ = 9516925548000.

The previous prime is 22220012012203. The next prime is 22220012012257. The reversal of 22220012012212 is 21221021002222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220012012212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574869087 + ... + 574907737.

It is an arithmetic number, because the mean of its divisors is an integer number (926411136000).

Almost surely, 2^{22220012012212} is an apocalyptic number.

It is an amenable number.

22220012012212 is an abundant number, since it is smaller than the sum of its proper divisors (22247722515788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22220012012212 is a wasteful number, since it uses less digits than its factorization.

22220012012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50932 (or 50930 counting only the distinct ones).

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

Adding to 22220012012212 its reverse (21221021002222), we get a palindrome (43441033014434).

The spelling of 22220012012212 in words is "twenty-two trillion, two hundred twenty billion, twelve million, twelve thousand, two hundred twelve".