1303211233312 has 36 divisors (see below), whose sum is σ = 2626752222990. Its totient is φ = 636451968768.

The previous prime is 1303211233301. The next prime is 1303211233343. The reversal of 1303211233312 is 2133321123031.

It can be written as a sum of positive squares in only one way, i.e., 774618255376 + 528592977936 = 880124^2 + 727044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10953637 + ... + 11071972.

Almost surely, 2^{1303211233312} is an apocalyptic number.

It is an amenable number.

1303211233312 is an abundant number, since it is smaller than the sum of its proper divisors (1323540989678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303211233312 is an equidigital number, since it uses as much as digits as its factorization.

1303211233312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22025705 (or 22025654 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1303211233312 its reverse (2133321123031), we get a palindrome (3436532356343).

The spelling of 1303211233312 in words is "one trillion, three hundred three billion, two hundred eleven million, two hundred thirty-three thousand, three hundred twelve".