12100311321000 has 192 divisors, whose sum is σ = 43916722274880. Its totient is φ = 2765785411200.

The previous prime is 12100311320983. The next prime is 12100311321047. The reversal of 12100311321000 is 12311300121.

It is a happy number.

It is a super-3 number, since 3×12100311321000³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41010522 + ... + 41304521.

It is an arithmetic number, because the mean of its divisors is an integer number (228732928515).

Almost surely, 2^{12100311321000} is an apocalyptic number.

12100311321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100311321000 is an abundant number, since it is smaller than the sum of its proper divisors (31816410953880).

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

12100311321000 is a wasteful number, since it uses less digits than its factorization.

12100311321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82315081 (or 82315060 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12100311321000 its reverse (12311300121), we get a palindrome (12112622621121).

The spelling of 12100311321000 in words is "twelve trillion, one hundred billion, three hundred eleven million, three hundred twenty-one thousand".