1303203212963 has 2 divisors, whose sum is σ = 1303203212964. Its totient is φ = 1303203212962.

The previous prime is 1303203212947. The next prime is 1303203213017. The reversal of 1303203212963 is 3692123023031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303203212963 - 2⁴ = 1303203212947 is a prime.

It is a super-2 number, since 2×1303203212963² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1303203212903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651601606481 + 651601606482.

It is an arithmetic number, because the mean of its divisors is an integer number (651601606482).

Almost surely, 2^{1303203212963} is an apocalyptic number.

1303203212963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303203212963 is an equidigital number, since it uses as much as digits as its factorization.

1303203212963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

Adding to 1303203212963 its reverse (3692123023031), we get a palindrome (4995326235994).

The spelling of 1303203212963 in words is "one trillion, three hundred three billion, two hundred three million, two hundred twelve thousand, nine hundred sixty-three".