1302221322123 has 8 divisors (see below), whose sum is σ = 1736403253248. Its totient is φ = 868093469544.

The previous prime is 1302221322091. The next prime is 1302221322169. The reversal of 1302221322123 is 3212231222031.

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

It is not a de Polignac number, because 1302221322123 - 2⁵ = 1302221322091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302221322093 and 1302221322102.

It is not an unprimeable number, because it can be changed into a prime (1302221322173) 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, 13463415 + ... + 13559792.

It is an arithmetic number, because the mean of its divisors is an integer number (217050406656).

Almost surely, 2^{1302221322123} is an apocalyptic number.

1302221322123 is a deficient number, since it is larger than the sum of its proper divisors (434181931125).

1302221322123 is a wasteful number, since it uses less digits than its factorization.

1302221322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27039273.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1302221322123 its reverse (3212231222031), we get a palindrome (4514452544154).

The spelling of 1302221322123 in words is "one trillion, three hundred two billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-three".