12223869706944 has 896 divisors, whose sum is σ = 45112428748800. Its totient is φ = 3166151639040.

The previous prime is 12223869706837. The next prime is 12223869706963. The reversal of 12223869706944 is 44960796832221.

12223869706944 is a `hidden beast` number, since 122 + 2 + 386 + 9 + 70 + 69 + 4 + 4 = 666.

It is a super-2 number, since 2×12223869706944² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 666032872 + ... + 666051224.

It is an arithmetic number, because the mean of its divisors is an integer number (50348692800).

Almost surely, 2^{12223869706944} is an apocalyptic number.

12223869706944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223869706944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22556214374400).

12223869706944 is an abundant number, since it is smaller than the sum of its proper divisors (32888559041856).

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

12223869706944 is a wasteful number, since it uses less digits than its factorization.

12223869706944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18518 (or 18502 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 12223869706944 in words is "twelve trillion, two hundred twenty-three billion, eight hundred sixty-nine million, seven hundred six thousand, nine hundred forty-four".