22211212000002 has 16 divisors (see below), whose sum is σ = 44427161493792. Its totient is φ = 7402947751040.

The previous prime is 22211211999983. The next prime is 22211212000039. The reversal of 22211212000002 is 20000021211222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197334624 + ... + 197447147.

It is an arithmetic number, because the mean of its divisors is an integer number (2776697593362).

Almost surely, 2^{22211212000002} is an apocalyptic number.

22211212000002 is an abundant number, since it is smaller than the sum of its proper divisors (22215949493790).

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

22211212000002 is a wasteful number, since it uses less digits than its factorization.

22211212000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394791153.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22211212000002 its reverse (20000021211222), we get a palindrome (42211233211224).

The spelling of 22211212000002 in words is "twenty-two trillion, two hundred eleven billion, two hundred twelve million, two", and thus it is an aban number.