1220330131023 has 16 divisors (see below), whose sum is σ = 1636313158656. Its totient is φ = 808961700960.

The previous prime is 1220330130991. The next prime is 1220330131043. The reversal of 1220330131023 is 3201310330221.

It is not a de Polignac number, because 1220330131023 - 2⁵ = 1220330130991 is a prime.

It is a super-2 number, since 2×1220330131023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220330131043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002615 + ... + 1856312.

It is an arithmetic number, because the mean of its divisors is an integer number (102269572416).

Almost surely, 2^{1220330131023} is an apocalyptic number.

1220330131023 is a deficient number, since it is larger than the sum of its proper divisors (415983027633).

1220330131023 is a wasteful number, since it uses less digits than its factorization.

1220330131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859734.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1220330131023 its reverse (3201310330221), we get a palindrome (4421640461244).

The spelling of 1220330131023 in words is "one trillion, two hundred twenty billion, three hundred thirty million, one hundred thirty-one thousand, twenty-three".