12100223231312 has 320 divisors, whose sum is σ = 26178536966400. Its totient is φ = 5395271811072.

The previous prime is 12100223231303. The next prime is 12100223231323. The reversal of 12100223231312 is 21313232200121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11944938518 + ... + 11944939530.

It is an arithmetic number, because the mean of its divisors is an integer number (81807928020).

Almost surely, 2^{12100223231312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100223231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13089268483200).

12100223231312 is an abundant number, since it is smaller than the sum of its proper divisors (14078313735088).

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

12100223231312 is a wasteful number, since it uses less digits than its factorization.

12100223231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12100223231312 its reverse (21313232200121), we get a palindrome (33413455431433).

The spelling of 12100223231312 in words is "twelve trillion, one hundred billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred twelve".