12021103323131 has 8 divisors (see below), whose sum is σ = 13738459576320. Its totient is φ = 10303761014568.

The previous prime is 12021103323067. The next prime is 12021103323179. The reversal of 12021103323131 is 13132330112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12021103323131 - 2⁶ = 12021103323067 is a prime.

It is a super-2 number, since 2×12021103323131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021103323097 and 12021103323106.

It is not an unprimeable number, because it can be changed into a prime (12021103323431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568561 + ... + 5148066.

It is an arithmetic number, because the mean of its divisors is an integer number (1717307447040).

Almost surely, 2^{12021103323131} is an apocalyptic number.

12021103323131 is a deficient number, since it is larger than the sum of its proper divisors (1717356253189).

12021103323131 is an equidigital number, since it uses as much as digits as its factorization.

12021103323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972313.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12021103323131 its reverse (13132330112021), we get a palindrome (25153433435152).

The spelling of 12021103323131 in words is "twelve trillion, twenty-one billion, one hundred three million, three hundred twenty-three thousand, one hundred thirty-one".