1321302421201 has 16 divisors (see below), whose sum is σ = 1513473804288. Its totient is φ = 1129985010000.

The previous prime is 1321302421199. The next prime is 1321302421223. The reversal of 1321302421201 is 1021242031231.

It is not a de Polignac number, because 1321302421201 - 2¹ = 1321302421199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321302427201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54472326 + ... + 54496576.

It is an arithmetic number, because the mean of its divisors is an integer number (94592112768).

Almost surely, 2^{1321302421201} is an apocalyptic number.

It is an amenable number.

1321302421201 is a deficient number, since it is larger than the sum of its proper divisors (192171383087).

1321302421201 is a wasteful number, since it uses less digits than its factorization.

1321302421201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41532.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1321302421201 its reverse (1021242031231), we get a palindrome (2342544452432).

The spelling of 1321302421201 in words is "one trillion, three hundred twenty-one billion, three hundred two million, four hundred twenty-one thousand, two hundred one".