12022401312312 has 128 divisors (see below), whose sum is σ = 30632175302400. Its totient is φ = 3930949112832.

The previous prime is 12022401312241. The next prime is 12022401312373. The reversal of 12022401312312 is 21321310422021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1960277598 + ... + 1960283730.

It is an arithmetic number, because the mean of its divisors is an integer number (239313869550).

Almost surely, 2^{12022401312312} is an apocalyptic number.

12022401312312 is a gapful number since it is divisible by the number (12) 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 12022401312312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15316087651200).

12022401312312 is an abundant number, since it is smaller than the sum of its proper divisors (18609773990088).

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

12022401312312 is a wasteful number, since it uses less digits than its factorization.

12022401312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997 (or 8993 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12022401312312 its reverse (21321310422021), we get a palindrome (33343711734333).

The spelling of 12022401312312 in words is "twelve trillion, twenty-two billion, four hundred one million, three hundred twelve thousand, three hundred twelve".