22012011202212 has 24 divisors (see below), whose sum is σ = 57068177191200. Its totient is φ = 7337337067368.

The previous prime is 22012011202211. The next prime is 22012011202217. The reversal of 22012011202212 is 21220211021022.

It is a happy number.

22012011202212 is a `hidden beast` number, since 220 + 1 + 20 + 11 + 202 + 212 = 666.

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 (22012011202211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 101907459162 + ... + 101907459377.

It is an arithmetic number, because the mean of its divisors is an integer number (2377840716300).

Almost surely, 2^{22012011202212} is an apocalyptic number.

It is an amenable number.

22012011202212 is an abundant number, since it is smaller than the sum of its proper divisors (35056165988988).

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

22012011202212 is a wasteful number, since it uses less digits than its factorization.

22012011202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203814918552 (or 203814918544 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012011202212 its reverse (21220211021022), we get a palindrome (43232222223234).

The spelling of 22012011202212 in words is "twenty-two trillion, twelve billion, eleven million, two hundred two thousand, two hundred twelve".