12101313321 has 12 divisors (see below), whose sum is σ = 17480628672. Its totient is φ = 8067101976.

The previous prime is 12101313319. The next prime is 12101313349. The reversal of 12101313321 is 12331310121.

12101313321 is a `hidden beast` number, since 1 + 210 + 131 + 3 + 321 = 666.

It is not a de Polignac number, because 12101313321 - 2¹ = 12101313319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12101313294 and 12101313303.

It is not an unprimeable number, because it can be changed into a prime (12101313361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300820 + ... + 338666.

It is an arithmetic number, because the mean of its divisors is an integer number (1456719056).

Almost surely, 2^12101313321 is an apocalyptic number.

It is an amenable number.

12101313321 is a deficient number, since it is larger than the sum of its proper divisors (5379315351).

12101313321 is a wasteful number, since it uses less digits than its factorization.

12101313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73380 (or 73377 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12101313321 its reverse (12331310121), we get a palindrome (24432623442).

The spelling of 12101313321 in words is "twelve billion, one hundred one million, three hundred thirteen thousand, three hundred twenty-one".