22451133312212 has 48 divisors (see below), whose sum is σ = 43136561664000. Its totient is φ = 10139653956960.

The previous prime is 22451133312197. The next prime is 22451133312227. The reversal of 22451133312212 is 21221333115422.

It is an interprime number because it is at equal distance from previous prime (22451133312197) and next prime (22451133312227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512473 + ... + 8078655.

It is an arithmetic number, because the mean of its divisors is an integer number (898678368000).

Almost surely, 2^{22451133312212} is an apocalyptic number.

22451133312212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22451133312212 is a deficient number, since it is larger than the sum of its proper divisors (20685428351788).

22451133312212 is a wasteful number, since it uses less digits than its factorization.

22451133312212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567116 (or 3567114 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 22451133312212 its reverse (21221333115422), we get a palindrome (43672466427634).

The spelling of 22451133312212 in words is "twenty-two trillion, four hundred fifty-one billion, one hundred thirty-three million, three hundred twelve thousand, two hundred twelve".