1302300231221 has 4 divisors (see below), whose sum is σ = 1420691161344. Its totient is φ = 1183909301100.

The previous prime is 1302300231181. The next prime is 1302300231223. The reversal of 1302300231221 is 1221320032031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1302300231221 - 2²² = 1302296036917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302300231193 and 1302300231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302300231223) 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, 59195465045 + ... + 59195465066.

It is an arithmetic number, because the mean of its divisors is an integer number (355172790336).

Almost surely, 2^{1302300231221} is an apocalyptic number.

1302300231221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1302300231221 is a deficient number, since it is larger than the sum of its proper divisors (118390930123).

1302300231221 is a wasteful number, since it uses less digits than its factorization.

1302300231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118390930122.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1302300231221 its reverse (1221320032031), we get a palindrome (2523620263252).

The spelling of 1302300231221 in words is "one trillion, three hundred two billion, three hundred million, two hundred thirty-one thousand, two hundred twenty-one".