22012022120212 has 12 divisors (see below), whose sum is σ = 38720629585876. Its totient is φ = 10948985095680.

The previous prime is 22012022120197. The next prime is 22012022120227. The reversal of 22012022120212 is 21202122021022.

It is an interprime number because it is at equal distance from previous prime (22012022120197) and next prime (22012022120227).

It can be written as a sum of positive squares in 2 ways, for example, as 5696594656516 + 16315427463696 = 2386754^2 + 4039236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22012022120212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256490239 + ... + 14256491782.

Almost surely, 2^{22012022120212} is an apocalyptic number.

It is an amenable number.

22012022120212 is a deficient number, since it is larger than the sum of its proper divisors (16708607465664).

22012022120212 is a wasteful number, since it uses less digits than its factorization.

22012022120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28512982218 (or 28512982216 counting only the distinct ones).

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

Adding to 22012022120212 its reverse (21202122021022), we get a palindrome (43214144141234).

The spelling of 22012022120212 in words is "twenty-two trillion, twelve billion, twenty-two million, one hundred twenty thousand, two hundred twelve".