13212203011321 has 16 divisors (see below), whose sum is σ = 14258329525440. Its totient is φ = 12202268682240.

The previous prime is 13212203011307. The next prime is 13212203011349. The reversal of 13212203011321 is 12311030221231.

It is a cyclic number.

It is not a de Polignac number, because 13212203011321 - 2²¹ = 13212200914169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13212203011292 and 13212203011301.

It is not an unprimeable number, because it can be changed into a prime (13212203012321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15094120 + ... + 15945433.

It is an arithmetic number, because the mean of its divisors is an integer number (891145595340).

Almost surely, 2^{13212203011321} is an apocalyptic number.

It is an amenable number.

13212203011321 is a deficient number, since it is larger than the sum of its proper divisors (1046126514119).

13212203011321 is a wasteful number, since it uses less digits than its factorization.

13212203011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31040136.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13212203011321 its reverse (12311030221231), we get a palindrome (25523233232552).

The spelling of 13212203011321 in words is "thirteen trillion, two hundred twelve billion, two hundred three million, eleven thousand, three hundred twenty-one".