1302120021303 has 12 divisors (see below), whose sum is σ = 1881320991888. Its totient is φ = 867858032160.

The previous prime is 1302120021263. The next prime is 1302120021329. The reversal of 1302120021303 is 3031200212031.

1302120021303 is a `hidden beast` number, since 130 + 212 + 0 + 0 + 21 + 303 = 666.

It is not a de Polignac number, because 1302120021303 - 2⁸ = 1302120021047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302120026303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18461350 + ... + 18531747.

It is an arithmetic number, because the mean of its divisors is an integer number (156776749324).

Almost surely, 2^{1302120021303} is an apocalyptic number.

1302120021303 is a deficient number, since it is larger than the sum of its proper divisors (579200970585).

1302120021303 is a wasteful number, since it uses less digits than its factorization.

1302120021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36997014 (or 36997011 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1302120021303 its reverse (3031200212031), we get a palindrome (4333320233334).

The spelling of 1302120021303 in words is "one trillion, three hundred two billion, one hundred twenty million, twenty-one thousand, three hundred three".