1231000303222 has 32 divisors (see below), whose sum is σ = 1994384436480. Its totient is φ = 568106948640.

The previous prime is 1231000303207. The next prime is 1231000303229. The reversal of 1231000303222 is 2223030001321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231000303222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231000303229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030697 + ... + 2566267.

It is an arithmetic number, because the mean of its divisors is an integer number (62324513640).

Almost surely, 2^{1231000303222} is an apocalyptic number.

1231000303222 is a deficient number, since it is larger than the sum of its proper divisors (763384133258).

1231000303222 is a wasteful number, since it uses less digits than its factorization.

1231000303222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537348.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1231000303222 its reverse (2223030001321), we get a palindrome (3454030304543).

The spelling of 1231000303222 in words is "one trillion, two hundred thirty-one billion, three hundred three thousand, two hundred twenty-two".