1222003232013 has 4 divisors (see below), whose sum is σ = 1629337642688. Its totient is φ = 814668821340.

The previous prime is 1222003231987. The next prime is 1222003232053. The reversal of 1222003232013 is 3102323002221.

It is a happy number.

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 not a de Polignac number, because 1222003232013 - 2³⁰ = 1220929490189 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 (1222003232053) 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, 203667205333 + ... + 203667205338.

It is an arithmetic number, because the mean of its divisors is an integer number (407334410672).

Almost surely, 2^{1222003232013} is an apocalyptic number.

It is an amenable number.

1222003232013 is a deficient number, since it is larger than the sum of its proper divisors (407334410675).

1222003232013 is an equidigital number, since it uses as much as digits as its factorization.

1222003232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407334410674.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1222003232013 its reverse (3102323002221), we get a palindrome (4324326234234).

The spelling of 1222003232013 in words is "one trillion, two hundred twenty-two billion, three million, two hundred thirty-two thousand, thirteen".