1312230012223 has 16 divisors (see below), whose sum is σ = 1496412531936. Its totient is φ = 1139950033920.

The previous prime is 1312230012199. The next prime is 1312230012229. The reversal of 1312230012223 is 3222100322131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312230012223 is a prime.

It is a super-4 number, since 4×1312230012223⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312230012194 and 1312230012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312230012229) 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, 2769043 + ... + 3208123.

It is an arithmetic number, because the mean of its divisors is an integer number (93525783246).

Almost surely, 2^{1312230012223} is an apocalyptic number.

1312230012223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1312230012223 is a deficient number, since it is larger than the sum of its proper divisors (184182519713).

1312230012223 is a wasteful number, since it uses less digits than its factorization.

1312230012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452634.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1312230012223 its reverse (3222100322131), we get a palindrome (4534330334354).

The spelling of 1312230012223 in words is "one trillion, three hundred twelve billion, two hundred thirty million, twelve thousand, two hundred twenty-three".