1230891220022 has 16 divisors (see below), whose sum is σ = 1847959626240. Its totient is φ = 614904908712.

The previous prime is 1230891220021. The next prime is 1230891220033. The reversal of 1230891220022 is 2200221980321.

It is a happy number.

It is a super-2 number, since 2×1230891220022² (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 (1230891220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11079683 + ... + 11190225.

It is an arithmetic number, because the mean of its divisors is an integer number (115497476640).

Almost surely, 2^{1230891220022} is an apocalyptic number.

1230891220022 is a deficient number, since it is larger than the sum of its proper divisors (617068406218).

1230891220022 is a wasteful number, since it uses less digits than its factorization.

1230891220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115387.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 1230891220022 in words is "one trillion, two hundred thirty billion, eight hundred ninety-one million, two hundred twenty thousand, twenty-two".