1220012113033 has 4 divisors (see below), whose sum is σ = 1394299557760. Its totient is φ = 1045724668308.

The previous prime is 1220012113009. The next prime is 1220012113063. The reversal of 1220012113033 is 3303112100221.

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 1220012113033 - 2²¹ = 1220010015881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220012113033.

It is not an unprimeable number, because it can be changed into a prime (1220012113063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87143722353 + ... + 87143722366.

It is an arithmetic number, because the mean of its divisors is an integer number (348574889440).

Almost surely, 2^{1220012113033} is an apocalyptic number.

It is an amenable number.

1220012113033 is a deficient number, since it is larger than the sum of its proper divisors (174287444727).

1220012113033 is an equidigital number, since it uses as much as digits as its factorization.

1220012113033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174287444726.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220012113033 its reverse (3303112100221), we get a palindrome (4523124213254).

The spelling of 1220012113033 in words is "one trillion, two hundred twenty billion, twelve million, one hundred thirteen thousand, thirty-three".