12212110131320 has 256 divisors, whose sum is σ = 30859133760000. Its totient is φ = 4311997286400.

The previous prime is 12212110131307. The next prime is 12212110131337. The reversal of 12212110131320 is 2313101121221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12212110131292 and 12212110131301.

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, 700106519 + ... + 700123961.

It is an arithmetic number, because the mean of its divisors is an integer number (120543491250).

Almost surely, 2^{12212110131320} is an apocalyptic number.

12212110131320 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 12212110131320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15429566880000).

12212110131320 is an abundant number, since it is smaller than the sum of its proper divisors (18647023628680).

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

12212110131320 is a wasteful number, since it uses less digits than its factorization.

12212110131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17854 (or 17850 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12212110131320 its reverse (2313101121221), we get a palindrome (14525211252541).

The spelling of 12212110131320 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, one hundred thirty-one thousand, three hundred twenty".