1220233022213 has 4 divisors (see below), whose sum is σ = 1220431021728. Its totient is φ = 1220035022700.

The previous prime is 1220233022117. The next prime is 1220233022251. The reversal of 1220233022213 is 3122203320221.

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 1220233022213 - 2¹² = 1220233018117 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 (1220233028213) 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, 98990513 + ... + 99002838.

It is an arithmetic number, because the mean of its divisors is an integer number (305107755432).

Almost surely, 2^{1220233022213} is an apocalyptic number.

It is an amenable number.

1220233022213 is a deficient number, since it is larger than the sum of its proper divisors (197999515).

1220233022213 is an equidigital number, since it uses as much as digits as its factorization.

1220233022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197999514.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1220233022213 its reverse (3122203320221), we get a palindrome (4342436342434).

The spelling of 1220233022213 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, twenty-two thousand, two hundred thirteen".