1302213002123 has 4 divisors (see below), whose sum is σ = 1420596002328. Its totient is φ = 1183830001920.

The previous prime is 1302213002117. The next prime is 1302213002159. The reversal of 1302213002123 is 3212003122031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1302213002123 - 2¹⁸ = 1302212739979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302213002095 and 1302213002104.

It is not an unprimeable number, because it can be changed into a prime (1302213202123) 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, 59191500086 + ... + 59191500107.

It is an arithmetic number, because the mean of its divisors is an integer number (355149000582).

Almost surely, 2^{1302213002123} is an apocalyptic number.

1302213002123 is a deficient number, since it is larger than the sum of its proper divisors (118383000205).

1302213002123 is a wasteful number, since it uses less digits than its factorization.

1302213002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118383000204.

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

Adding to 1302213002123 its reverse (3212003122031), we get a palindrome (4514216124154).

The spelling of 1302213002123 in words is "one trillion, three hundred two billion, two hundred thirteen million, two thousand, one hundred twenty-three".