12120032100313 has 4 divisors (see below), whose sum is σ = 12120448210740. Its totient is φ = 12119615989888.

The previous prime is 12120032100311. The next prime is 12120032100349. The reversal of 12120032100313 is 31300123002121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1643759896464 + 10476272203849 = 1282092^2 + 3236707^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120032100313 - 2¹ = 12120032100311 is a prime.

It is a super-3 number, since 3×12120032100313³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120032100311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208011520 + ... + 208069777.

It is an arithmetic number, because the mean of its divisors is an integer number (3030112052685).

Almost surely, 2^{12120032100313} is an apocalyptic number.

It is an amenable number.

12120032100313 is a deficient number, since it is larger than the sum of its proper divisors (416110427).

12120032100313 is an equidigital number, since it uses as much as digits as its factorization.

12120032100313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416110426.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12120032100313 its reverse (31300123002121), we get a palindrome (43420155102434).

The spelling of 12120032100313 in words is "twelve trillion, one hundred twenty billion, thirty-two million, one hundred thousand, three hundred thirteen".