12003210034345 has 4 divisors (see below), whose sum is σ = 14403852041220. Its totient is φ = 9602568027472.

The previous prime is 12003210034307. The next prime is 12003210034349. The reversal of 12003210034345 is 54343001230021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4045259306089 + 7957950728256 = 2011283^2 + 2820984^2 .

It is a cyclic number.

It is not a de Polignac number, because 12003210034345 - 2²³ = 12003201645737 is a prime.

It is a super-2 number, since 2×12003210034345² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12003210034349) 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, 1200321003430 + ... + 1200321003439.

It is an arithmetic number, because the mean of its divisors is an integer number (3600963010305).

Almost surely, 2^{12003210034345} is an apocalyptic number.

It is an amenable number.

12003210034345 is a deficient number, since it is larger than the sum of its proper divisors (2400642006875).

12003210034345 is an equidigital number, since it uses as much as digits as its factorization.

12003210034345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400642006874.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12003210034345 its reverse (54343001230021), we get a palindrome (66346211264366).

The spelling of 12003210034345 in words is "twelve trillion, three billion, two hundred ten million, thirty-four thousand, three hundred forty-five".