1303212013221 has 8 divisors (see below), whose sum is σ = 1829069492320. Its totient is φ = 823081271472.

The previous prime is 1303212013199. The next prime is 1303212013223. The reversal of 1303212013221 is 1223102123031.

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

It is not a de Polignac number, because 1303212013221 - 2⁵ = 1303212013189 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 (1303212013223) 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, 11431684270 + ... + 11431684383.

It is an arithmetic number, because the mean of its divisors is an integer number (228633686540).

Almost surely, 2^{1303212013221} is an apocalyptic number.

It is an amenable number.

1303212013221 is a deficient number, since it is larger than the sum of its proper divisors (525857479099).

1303212013221 is a wasteful number, since it uses less digits than its factorization.

1303212013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22863368675.

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

Adding to 1303212013221 its reverse (1223102123031), we get a palindrome (2526314136252).

The spelling of 1303212013221 in words is "one trillion, three hundred three billion, two hundred twelve million, thirteen thousand, two hundred twenty-one".