22011212202212 has 12 divisors (see below), whose sum is σ = 40546969846320. Its totient is φ = 10426363674696.

The previous prime is 22011212202197. The next prime is 22011212202229. The reversal of 22011212202212 is 21220221211022.

It is a super-2 number, since 2×22011212202212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144810606518 + ... + 144810606669.

It is an arithmetic number, because the mean of its divisors is an integer number (3378914153860).

Almost surely, 2^{22011212202212} is an apocalyptic number.

It is an amenable number.

22011212202212 is a deficient number, since it is larger than the sum of its proper divisors (18535757644108).

22011212202212 is a wasteful number, since it uses less digits than its factorization.

22011212202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289621213210 (or 289621213208 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22011212202212 its reverse (21220221211022), we get a palindrome (43231433413234).

The spelling of 22011212202212 in words is "twenty-two trillion, eleven billion, two hundred twelve million, two hundred two thousand, two hundred twelve".