1320411212403 has 4 divisors (see below), whose sum is σ = 1760548283208. Its totient is φ = 880274141600.

The previous prime is 1320411212339. The next prime is 1320411212437. The reversal of 1320411212403 is 3042121140231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320411212403 - 2⁶ = 1320411212339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320411262403) 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, 220068535398 + ... + 220068535403.

It is an arithmetic number, because the mean of its divisors is an integer number (440137070802).

Almost surely, 2^{1320411212403} is an apocalyptic number.

1320411212403 is a deficient number, since it is larger than the sum of its proper divisors (440137070805).

1320411212403 is an equidigital number, since it uses as much as digits as its factorization.

1320411212403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440137070804.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1320411212403 its reverse (3042121140231), we get a palindrome (4362532352634).

The spelling of 1320411212403 in words is "one trillion, three hundred twenty billion, four hundred eleven million, two hundred twelve thousand, four hundred three".