1302222121323 has 32 divisors (see below), whose sum is σ = 1814915980800. Its totient is φ = 828969647616.

The previous prime is 1302222121313. The next prime is 1302222121363. The reversal of 1302222121323 is 3231212222031.

It is not a de Polignac number, because 1302222121323 - 2⁴ = 1302222121307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1302222121293 and 1302222121302.

It is not an unprimeable number, because it can be changed into a prime (1302222121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138250108 + ... + 138259526.

It is an arithmetic number, because the mean of its divisors is an integer number (56716124400).

Almost surely, 2^{1302222121323} is an apocalyptic number.

1302222121323 is a deficient number, since it is larger than the sum of its proper divisors (512693859477).

1302222121323 is a wasteful number, since it uses less digits than its factorization.

1302222121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691.

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

Adding to 1302222121323 its reverse (3231212222031), we get a palindrome (4533434343354).

The spelling of 1302222121323 in words is "one trillion, three hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-three".