1231223300422 has 16 divisors (see below), whose sum is σ = 1944802612800. Its totient is φ = 582981290280.

The previous prime is 1231223300401. The next prime is 1231223300443. The reversal of 1231223300422 is 2240033221321.

It is an interprime number because it is at equal distance from previous prime (1231223300401) and next prime (1231223300443).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6284104 + ... + 6477067.

It is an arithmetic number, because the mean of its divisors is an integer number (121550163300).

Almost surely, 2^{1231223300422} is an apocalyptic number.

1231223300422 is a deficient number, since it is larger than the sum of its proper divisors (713579312378).

1231223300422 is a wasteful number, since it uses less digits than its factorization.

1231223300422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763731.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1231223300422 its reverse (2240033221321), we get a palindrome (3471256521743).

The spelling of 1231223300422 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-three million, three hundred thousand, four hundred twenty-two".