22011012011212 has 24 divisors (see below), whose sum is σ = 44358070014720. Its totient is φ = 9361281006480.

The previous prime is 22011012011167. The next prime is 22011012011251. The reversal of 22011012011212 is 21211021011022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000406912 + ... + 3000414247.

It is an arithmetic number, because the mean of its divisors is an integer number (1848252917280).

Almost surely, 2^{22011012011212} is an apocalyptic number.

It is an amenable number.

22011012011212 is an abundant number, since it is smaller than the sum of its proper divisors (22347058003508).

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

22011012011212 is a wasteful number, since it uses less digits than its factorization.

22011012011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000821301 (or 6000821299 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22011012011212 its reverse (21211021011022), we get a palindrome (43222033022234).

The spelling of 22011012011212 in words is "twenty-two trillion, eleven billion, twelve million, eleven thousand, two hundred twelve".