21823646726112 has 192 divisors, whose sum is σ = 71426046633984. Its totient is φ = 5668225482240.

The previous prime is 21823646726111. The next prime is 21823646726117. The reversal of 21823646726112 is 21162764632812.

It is a super-2 number, since 2×21823646726112² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21823646726111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209784703 + ... + 209888705.

It is an arithmetic number, because the mean of its divisors is an integer number (372010659552).

Almost surely, 2^{21823646726112} is an apocalyptic number.

21823646726112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21823646726112 is an abundant number, since it is smaller than the sum of its proper divisors (49602399907872).

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

21823646726112 is a wasteful number, since it uses less digits than its factorization.

21823646726112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132421 (or 132413 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 21823646726112 in words is "twenty-one trillion, eight hundred twenty-three billion, six hundred forty-six million, seven hundred twenty-six thousand, one hundred twelve".