1220031212333 has 4 divisors (see below), whose sum is σ = 1229637757440. Its totient is φ = 1210424667228.

The previous prime is 1220031212261. The next prime is 1220031212357. The reversal of 1220031212333 is 3332121300221.

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 1220031212333 - 2¹⁰ = 1220031211309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220031212299 and 1220031212308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220031212363) 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, 4803272363 + ... + 4803272616.

It is an arithmetic number, because the mean of its divisors is an integer number (307409439360).

Almost surely, 2^{1220031212333} is an apocalyptic number.

It is an amenable number.

1220031212333 is a deficient number, since it is larger than the sum of its proper divisors (9606545107).

1220031212333 is an equidigital number, since it uses as much as digits as its factorization.

1220031212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606545106.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1220031212333 its reverse (3332121300221), we get a palindrome (4552152512554).

The spelling of 1220031212333 in words is "one trillion, two hundred twenty billion, thirty-one million, two hundred twelve thousand, three hundred thirty-three".