1312220012003 has 8 divisors (see below), whose sum is σ = 1337911950528. Its totient is φ = 1286562631744.

The previous prime is 1312220011987. The next prime is 1312220012011. The reversal of 1312220012003 is 3002100222131.

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 1312220012003 - 2⁴ = 1312220011987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312220012083) 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, 8562875 + ... + 8714772.

It is an arithmetic number, because the mean of its divisors is an integer number (167238993816).

Almost surely, 2^{1312220012003} is an apocalyptic number.

1312220012003 is a deficient number, since it is larger than the sum of its proper divisors (25691938525).

1312220012003 is a wasteful number, since it uses less digits than its factorization.

1312220012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17279133.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1312220012003 its reverse (3002100222131), we get a palindrome (4314320234134).

The spelling of 1312220012003 in words is "one trillion, three hundred twelve billion, two hundred twenty million, twelve thousand, three".