12302021123 has 8 divisors (see below), whose sum is σ = 14070421248. Its totient is φ = 10536363144.

The previous prime is 12302021087. The next prime is 12302021131. The reversal of 12302021123 is 32112020321.

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

It is a cyclic number.

It is not a de Polignac number, because 12302021123 - 2¹² = 12302017027 is a prime.

It is a super-2 number, since 2×12302021123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302024123) 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, 675911 + ... + 693872.

It is an arithmetic number, because the mean of its divisors is an integer number (1758802656).

Almost surely, 2^12302021123 is an apocalyptic number.

12302021123 is a deficient number, since it is larger than the sum of its proper divisors (1768400125).

12302021123 is a wasteful number, since it uses less digits than its factorization.

12302021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371073.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12302021123 its reverse (32112020321), we get a palindrome (44414041444).

The spelling of 12302021123 in words is "twelve billion, three hundred two million, twenty-one thousand, one hundred twenty-three".