12211401013 has 4 divisors (see below), whose sum is σ = 13955886880. Its totient is φ = 10466915148.

The previous prime is 12211400987. The next prime is 12211401031. The reversal of 12211401013 is 31010411221.

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 12211401013 - 2⁹ = 12211400501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211401043) 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, 872242923 + ... + 872242936.

It is an arithmetic number, because the mean of its divisors is an integer number (3488971720).

Almost surely, 2^12211401013 is an apocalyptic number.

It is an amenable number.

12211401013 is a deficient number, since it is larger than the sum of its proper divisors (1744485867).

12211401013 is an equidigital number, since it uses as much as digits as its factorization.

12211401013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744485866.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211401013 its reverse (31010411221), we get a palindrome (43221812234).

The spelling of 12211401013 in words is "twelve billion, two hundred eleven million, four hundred one thousand, thirteen".