22311403242012 has 36 divisors (see below), whose sum is σ = 56398483386336. Its totient is φ = 7437106183680.

The previous prime is 22311403242001. The next prime is 22311403242197. The reversal of 22311403242012 is 21024230411322.

22311403242012 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 1 + 403 + 242 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22311403242012³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9857212 + ... + 11907452.

Almost surely, 2^{22311403242012} is an apocalyptic number.

It is an amenable number.

22311403242012 is an abundant number, since it is smaller than the sum of its proper divisors (34087080144324).

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

22311403242012 is a wasteful number, since it uses less digits than its factorization.

22311403242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352538 (or 2352533 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22311403242012 its reverse (21024230411322), we get a palindrome (43335633653334).

The spelling of 22311403242012 in words is "twenty-two trillion, three hundred eleven billion, four hundred three million, two hundred forty-two thousand, twelve".