1222423104312 has 48 divisors (see below), whose sum is σ = 3321513435240. Its totient is φ = 406147082688.

The previous prime is 1222423104311. The next prime is 1222423104313. The reversal of 1222423104312 is 2134013242221.

1222423104312 is a `hidden beast` number, since 1 + 2 + 2 + 242 + 3 + 104 + 312 = 666.

It is an interprime number because it is at equal distance from previous prime (1222423104311) and next prime (1222423104313).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222423104311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27629523 + ... + 27673730.

Almost surely, 2^{1222423104312} is an apocalyptic number.

1222423104312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222423104312 is an abundant number, since it is smaller than the sum of its proper divisors (2099090330928).

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

1222423104312 is a wasteful number, since it uses less digits than its factorization.

1222423104312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55303572 (or 55303565 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1222423104312 its reverse (2134013242221), we get a palindrome (3356436346533).

The spelling of 1222423104312 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-three million, one hundred four thousand, three hundred twelve".