1231122004312 has 16 divisors (see below), whose sum is σ = 2309327371800. Its totient is φ = 615301371840.

The previous prime is 1231122004289. The next prime is 1231122004349. The reversal of 1231122004312 is 2134002211321.

It is a super-2 number, since 2×1231122004312² (a number of 25 digits) contains 22 as substring.

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, 32433637 + ... + 32471572.

Almost surely, 2^{1231122004312} is an apocalyptic number.

It is an amenable number.

1231122004312 is a deficient number, since it is larger than the sum of its proper divisors (1078205367488).

1231122004312 is a wasteful number, since it uses less digits than its factorization.

1231122004312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64907586 (or 64907582 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1231122004312 its reverse (2134002211321), we get a palindrome (3365124215633).

The spelling of 1231122004312 in words is "one trillion, two hundred thirty-one billion, one hundred twenty-two million, four thousand, three hundred twelve".