1303211212013 has 8 divisors (see below), whose sum is σ = 1338462497400. Its totient is φ = 1267961472000.

The previous prime is 1303211211899. The next prime is 1303211212031. The reversal of 1303211212013 is 3102121123031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 278949816649 + 1024261395364 = 528157^2 + 1012058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1303211212013 - 2¹⁶ = 1303211146477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303211212033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438013 + ... + 2162013.

It is an arithmetic number, because the mean of its divisors is an integer number (167307812175).

Almost surely, 2^{1303211212013} is an apocalyptic number.

It is an amenable number.

1303211212013 is a deficient number, since it is larger than the sum of its proper divisors (35251285387).

1303211212013 is an equidigital number, since it uses as much as digits as its factorization.

1303211212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772687.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1303211212013 its reverse (3102121123031), we get a palindrome (4405332335044).

The spelling of 1303211212013 in words is "one trillion, three hundred three billion, two hundred eleven million, two hundred twelve thousand, thirteen".