12212032013 has 4 divisors (see below), whose sum is σ = 12854770560. Its totient is φ = 11569293468.

The previous prime is 12212032009. The next prime is 12212032031. The reversal of 12212032013 is 31023021221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212032013 - 2² = 12212032009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212031982 and 12212032000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212032033) 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, 321369245 + ... + 321369282.

It is an arithmetic number, because the mean of its divisors is an integer number (3213692640).

Almost surely, 2^12212032013 is an apocalyptic number.

It is an amenable number.

12212032013 is a deficient number, since it is larger than the sum of its proper divisors (642738547).

12212032013 is an equidigital number, since it uses as much as digits as its factorization.

12212032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642738546.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12212032013 its reverse (31023021221), we get a palindrome (43235053234).

The spelling of 12212032013 in words is "twelve billion, two hundred twelve million, thirty-two thousand, thirteen".