22212202212612 has 72 divisors (see below), whose sum is σ = 59108383020960. Its totient is φ = 7013698450560.

The previous prime is 22212202212611. The next prime is 22212202212623. The reversal of 22212202212612 is 21621220221222.

22212202212612 is a `hidden beast` number, since 2 + 2 + 2 + 1 + 2 + 20 + 2 + 21 + 2 + 612 = 666.

It is not an unprimeable number, because it can be changed into a prime (22212202212611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5494728 + ... + 8638080.

It is an arithmetic number, because the mean of its divisors is an integer number (820949764180).

Almost surely, 2^{22212202212612} is an apocalyptic number.

It is an amenable number.

22212202212612 is an abundant number, since it is smaller than the sum of its proper divisors (36896180808348).

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

22212202212612 is a wasteful number, since it uses less digits than its factorization.

22212202212612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153713 (or 3153708 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 22212202212612 its reverse (21621220221222), we get a palindrome (43833422433834).

The spelling of 22212202212612 in words is "twenty-two trillion, two hundred twelve billion, two hundred two million, two hundred twelve thousand, six hundred twelve".