1320023031222 has 32 divisors (see below), whose sum is σ = 3017504600064. Its totient is φ = 377110800000.

The previous prime is 1320023031157. The next prime is 1320023031241. The reversal of 1320023031222 is 2221303200231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1193779 + ... + 2016222.

It is an arithmetic number, because the mean of its divisors is an integer number (94297018752).

Almost surely, 2^{1320023031222} is an apocalyptic number.

1320023031222 is an abundant number, since it is smaller than the sum of its proper divisors (1697481568842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320023031222 is a wasteful number, since it uses less digits than its factorization.

1320023031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219804.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1320023031222 its reverse (2221303200231), we get a palindrome (3541326231453).

The spelling of 1320023031222 in words is "one trillion, three hundred twenty billion, twenty-three million, thirty-one thousand, two hundred twenty-two".