1231422143222 has 8 divisors (see below), whose sum is σ = 1847139569400. Its totient is φ = 615708953424.

The previous prime is 1231422143213. The next prime is 1231422143249. The reversal of 1231422143222 is 2223412241321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189647 + ... + 1580762.

It is an arithmetic number, because the mean of its divisors is an integer number (230892446175).

Almost surely, 2^{1231422143222} is an apocalyptic number.

1231422143222 is a deficient number, since it is larger than the sum of its proper divisors (615717426178).

1231422143222 is a wasteful number, since it uses less digits than its factorization.

1231422143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118190.

The product of its digits is 9216, while the sum is 29.

Adding to 1231422143222 its reverse (2223412241321), we get a palindrome (3454834384543).

The spelling of 1231422143222 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-two million, one hundred forty-three thousand, two hundred twenty-two".