12012020313203 has 16 divisors (see below), whose sum is σ = 12640997453760. Its totient is φ = 11398391760000.

The previous prime is 12012020313199. The next prime is 12012020313211. The reversal of 12012020313203 is 30231302021021.

It is a cyclic number.

It is not a de Polignac number, because 12012020313203 - 2² = 12012020313199 is a prime.

It is a super-2 number, since 2×12012020313203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012020313103) 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, 8549048 + ... + 9854453.

It is an arithmetic number, because the mean of its divisors is an integer number (790062340860).

Almost surely, 2^{12012020313203} is an apocalyptic number.

12012020313203 is a deficient number, since it is larger than the sum of its proper divisors (628977140557).

12012020313203 is a wasteful number, since it uses less digits than its factorization.

12012020313203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18403918.

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

Adding to 12012020313203 its reverse (30231302021021), we get a palindrome (42243322334224).

The spelling of 12012020313203 in words is "twelve trillion, twelve billion, twenty million, three hundred thirteen thousand, two hundred three".