1320412413403 has 4 divisors (see below), whose sum is σ = 1332752716440. Its totient is φ = 1308072110368.

The previous prime is 1320412413347. The next prime is 1320412413407. The reversal of 1320412413403 is 3043142140231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320412413403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320412413407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170151358 + ... + 6170151571.

It is an arithmetic number, because the mean of its divisors is an integer number (333188179110).

Almost surely, 2^{1320412413403} is an apocalyptic number.

1320412413403 is a deficient number, since it is larger than the sum of its proper divisors (12340303037).

1320412413403 is a wasteful number, since it uses less digits than its factorization.

1320412413403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340303036.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1320412413403 its reverse (3043142140231), we get a palindrome (4363554553634).

The spelling of 1320412413403 in words is "one trillion, three hundred twenty billion, four hundred twelve million, four hundred thirteen thousand, four hundred three".