1312214042 has 8 divisors (see below), whose sum is σ = 1990437300. Its totient is φ = 648734944.

The previous prime is 1312214021. The next prime is 1312214077. The reversal of 1312214042 is 2404122131.

It can be written as a sum of positive squares in 2 ways, for example, as 1276704361 + 35509681 = 35731^2 + 5959^2 .

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

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, 3685817 + ... + 3686172.

Almost surely, 2^1312214042 is an apocalyptic number.

1312214042 is a deficient number, since it is larger than the sum of its proper divisors (678223258).

1312214042 is an equidigital number, since it uses as much as digits as its factorization.

1312214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372080.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1312214042 is about 36224.4950551419. The cubic root of 1312214042 is about 1094.8002643690.

Adding to 1312214042 its reverse (2404122131), we get a palindrome (3716336173).

The spelling of 1312214042 in words is "one billion, three hundred twelve million, two hundred fourteen thousand, forty-two".