12012213013320 has 256 divisors, whose sum is σ = 39270073731840. Its totient is φ = 2921794633728.

The previous prime is 12012213013267. The next prime is 12012213013351. The reversal of 12012213013320 is 2331031221021.

12012213013320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12012213013320² (a number of 27 digits) contains 22 as substring.

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, 97237032 + ... + 97360488.

It is an arithmetic number, because the mean of its divisors is an integer number (153398725515).

Almost surely, 2^{12012213013320} is an apocalyptic number.

12012213013320 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 12012213013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19635036865920).

12012213013320 is an abundant number, since it is smaller than the sum of its proper divisors (27257860718520).

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

12012213013320 is a wasteful number, since it uses less digits than its factorization.

12012213013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124224 (or 124220 counting only the distinct ones).

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

Adding to 12012213013320 its reverse (2331031221021), we get a palindrome (14343244234341).

The spelling of 12012213013320 in words is "twelve trillion, twelve billion, two hundred thirteen million, thirteen thousand, three hundred twenty".