1312442213 has 8 divisors (see below), whose sum is σ = 1327920000. Its totient is φ = 1297053648.

The previous prime is 1312442191. The next prime is 1312442227. The reversal of 1312442213 is 3122442131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312442213 - 2⁸ = 1312441957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312442273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7520 + ... + 51782.

It is an arithmetic number, because the mean of its divisors is an integer number (165990000).

Almost surely, 2^1312442213 is an apocalyptic number.

It is an amenable number.

1312442213 is a deficient number, since it is larger than the sum of its proper divisors (15477787).

1312442213 is a wasteful number, since it uses less digits than its factorization.

1312442213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44611.

The product of its digits is 1152, while the sum is 23.

The square root of 1312442213 is about 36227.6443203253. The cubic root of 1312442213 is about 1094.8637162109.

Adding to 1312442213 its reverse (3122442131), we get a palindrome (4434884344).

The spelling of 1312442213 in words is "one billion, three hundred twelve million, four hundred forty-two thousand, two hundred thirteen".