22012022201212 has 6 divisors (see below), whose sum is σ = 38521038852128. Its totient is φ = 11006011100604.

The previous prime is 22012022201201. The next prime is 22012022201227. The reversal of 22012022201212 is 21210222021022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012022201212.

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, 2751502775148 + ... + 2751502775155.

Almost surely, 2^{22012022201212} is an apocalyptic number.

It is an amenable number.

22012022201212 is a deficient number, since it is larger than the sum of its proper divisors (16509016650916).

22012022201212 is a wasteful number, since it uses less digits than its factorization.

22012022201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503005550307 (or 5503005550305 counting only the distinct ones).

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

Adding to 22012022201212 its reverse (21210222021022), we get a palindrome (43222244222234).

The spelling of 22012022201212 in words is "twenty-two trillion, twelve billion, twenty-two million, two hundred one thousand, two hundred twelve".