13112212323000 has 256 divisors, whose sum is σ = 47095686144000. Its totient is φ = 2975199974400.

The previous prime is 13112212322999. The next prime is 13112212323059. The reversal of 13112212323000 is 32321221131.

It is a super-2 number, since 2×13112212323000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 598201 + ... + 5155799.

It is an arithmetic number, because the mean of its divisors is an integer number (183967524000).

Almost surely, 2^{13112212323000} is an apocalyptic number.

13112212323000 is a gapful number since it is divisible by the number (10) 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 13112212323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23547843072000).

13112212323000 is an abundant number, since it is smaller than the sum of its proper divisors (33983473821000).

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

13112212323000 is a wasteful number, since it uses less digits than its factorization.

13112212323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557767 (or 4557753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13112212323000 its reverse (32321221131), we get a palindrome (13144533544131).

The spelling of 13112212323000 in words is "thirteen trillion, one hundred twelve billion, two hundred twelve million, three hundred twenty-three thousand".