1303212322011 has 4 divisors (see below), whose sum is σ = 1737616429352. Its totient is φ = 868808214672.

The previous prime is 1303212322003. The next prime is 1303212322021. The reversal of 1303212322011 is 1102232123031.

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

It is not a de Polignac number, because 1303212322011 - 2³ = 1303212322003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303212322021) 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, 217202053666 + ... + 217202053671.

It is an arithmetic number, because the mean of its divisors is an integer number (434404107338).

Almost surely, 2^{1303212322011} is an apocalyptic number.

1303212322011 is a deficient number, since it is larger than the sum of its proper divisors (434404107341).

1303212322011 is an equidigital number, since it uses as much as digits as its factorization.

1303212322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434404107340.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1303212322011 its reverse (1102232123031), we get a palindrome (2405444445042).

The spelling of 1303212322011 in words is "one trillion, three hundred three billion, two hundred twelve million, three hundred twenty-two thousand, eleven".