1303231211312 has 40 divisors (see below), whose sum is σ = 2531739052080. Its totient is φ = 649880098560.

The previous prime is 1303231211291. The next prime is 1303231211333. The reversal of 1303231211312 is 2131121323031.

It is an interprime number because it is at equal distance from previous prime (1303231211291) and next prime (1303231211333).

It is a super-2 number, since 2×1303231211312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24957743 + ... + 25009905.

It is an arithmetic number, because the mean of its divisors is an integer number (63293476302).

Almost surely, 2^{1303231211312} is an apocalyptic number.

It is an amenable number.

1303231211312 is a deficient number, since it is larger than the sum of its proper divisors (1228507840768).

1303231211312 is a wasteful number, since it uses less digits than its factorization.

1303231211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56301 (or 56295 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1303231211312 its reverse (2131121323031), we get a palindrome (3434352534343).

The spelling of 1303231211312 in words is "one trillion, three hundred three billion, two hundred thirty-one million, two hundred eleven thousand, three hundred twelve".