12213265371 has 4 divisors (see below), whose sum is σ = 16284353832. Its totient is φ = 8142176912.

The previous prime is 12213265301. The next prime is 12213265391. The reversal of 12213265371 is 17356231221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213265371 - 2¹⁰ = 12213264347 is a prime.

It is a super-3 number, since 3×12213265371³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12213265301) 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, 2035544226 + ... + 2035544231.

It is an arithmetic number, because the mean of its divisors is an integer number (4071088458).

Almost surely, 2^12213265371 is an apocalyptic number.

12213265371 is a deficient number, since it is larger than the sum of its proper divisors (4071088461).

12213265371 is an equidigital number, since it uses as much as digits as its factorization.

12213265371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071088460.

The product of its digits is 15120, while the sum is 33.

Adding to 12213265371 its reverse (17356231221), we get a palindrome (29569496592).

The spelling of 12213265371 in words is "twelve billion, two hundred thirteen million, two hundred sixty-five thousand, three hundred seventy-one".