22040100321212 has 24 divisors (see below), whose sum is σ = 39037205869200. Its totient is φ = 10886628776576.

The previous prime is 22040100321191. The next prime is 22040100321247. The reversal of 22040100321212 is 21212300104022.

It is a congruent number.

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, 3614864 + ... + 7559592.

It is an arithmetic number, because the mean of its divisors is an integer number (1626550244550).

Almost surely, 2^{22040100321212} is an apocalyptic number.

It is an amenable number.

22040100321212 is a deficient number, since it is larger than the sum of its proper divisors (16997105547988).

22040100321212 is a wasteful number, since it uses less digits than its factorization.

22040100321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961645 (or 3961643 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22040100321212 its reverse (21212300104022), we get a palindrome (43252400425234).

The spelling of 22040100321212 in words is "twenty-two trillion, forty billion, one hundred million, three hundred twenty-one thousand, two hundred twelve".