12303021601 has 16 divisors (see below), whose sum is σ = 14077400400. Its totient is φ = 10688542464.

The previous prime is 12303021593. The next prime is 12303021613. The reversal of 12303021601 is 10612030321.

It can be written as a sum of positive squares in 8 ways, for example, as 426381201 + 11876640400 = 20649^2 + 108980^2 .

It is not a de Polignac number, because 12303021601 - 2³ = 12303021593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303021631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32446 + ... + 160183.

It is an arithmetic number, because the mean of its divisors is an integer number (879837525).

Almost surely, 2^12303021601 is an apocalyptic number.

It is an amenable number.

12303021601 is a deficient number, since it is larger than the sum of its proper divisors (1774378799).

12303021601 is an equidigital number, since it uses as much as digits as its factorization.

12303021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192693 (or 192659 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12303021601 its reverse (10612030321), we get a palindrome (22915051922).

The spelling of 12303021601 in words is "twelve billion, three hundred three million, twenty-one thousand, six hundred one".