23244440242212 has 144 divisors (see below), whose sum is σ = 69648817230720. Its totient is φ = 6640205029632.

The previous prime is 23244440242201. The next prime is 23244440242213. The reversal of 23244440242212 is 21224204444232.

23244440242212 is a `hidden beast` number, since 2 + 3 + 24 + 4 + 4 + 402 + 4 + 221 + 2 = 666.

It is a super-2 number, since 2×23244440242212² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23244440242213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42710464 + ... + 43251272.

It is an arithmetic number, because the mean of its divisors is an integer number (483672341880).

Almost surely, 2^{23244440242212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23244440242212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34824408615360).

23244440242212 is an abundant number, since it is smaller than the sum of its proper divisors (46404376988508).

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

23244440242212 is a wasteful number, since it uses less digits than its factorization.

23244440242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547152 (or 547138 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 23244440242212 its reverse (21224204444232), we get a palindrome (44468644686444).

The spelling of 23244440242212 in words is "twenty-three trillion, two hundred forty-four billion, four hundred forty million, two hundred forty-two thousand, two hundred twelve".