1213022221023 has 8 divisors (see below), whose sum is σ = 1641502707328. Its totient is φ = 796611607704.

The previous prime is 1213022221013. The next prime is 1213022221039. The reversal of 1213022221023 is 3201222203121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213022221023 - 2⁴ = 1213022221007 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 (1213022221003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017468011 + ... + 3017468412.

It is an arithmetic number, because the mean of its divisors is an integer number (205187838416).

Almost surely, 2^{1213022221023} is an apocalyptic number.

1213022221023 is a deficient number, since it is larger than the sum of its proper divisors (428480486305).

1213022221023 is an equidigital number, since it uses as much as digits as its factorization.

1213022221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034936493.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1213022221023 its reverse (3201222203121), we get a palindrome (4414244424144).

The spelling of 1213022221023 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred twenty-one thousand, twenty-three".