22000321102212 has 18 divisors (see below), whose sum is σ = 55611922786238. Its totient is φ = 7333440367392.

The previous prime is 22000321102189. The next prime is 22000321102213. The reversal of 22000321102212 is 21220112300022.

22000321102212 is a `hidden beast` number, since 220 + 0 + 0 + 321 + 102 + 21 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19957519803456 + 2042801298756 = 4467384^2 + 1429266^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22000321102213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305560015273 + ... + 305560015344.

Almost surely, 2^{22000321102212} is an apocalyptic number.

It is an amenable number.

22000321102212 is an abundant number, since it is smaller than the sum of its proper divisors (33611601684026).

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

22000321102212 is a wasteful number, since it uses less digits than its factorization.

22000321102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611120030627 (or 611120030622 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22000321102212 its reverse (21220112300022), we get a palindrome (43220433402234).

The spelling of 22000321102212 in words is "twenty-two trillion, three hundred twenty-one million, one hundred two thousand, two hundred twelve".