212013123003 has 40 divisors (see below), whose sum is σ = 349064894640. Its totient is φ = 127168081920.

The previous prime is 212013122977. The next prime is 212013123011. The reversal of 212013123003 is 300321310212.

It is not a de Polignac number, because 212013123003 - 2²⁴ = 211996345787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212013123013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1140118 + ... + 1312971.

It is an arithmetic number, because the mean of its divisors is an integer number (8726622366).

Almost surely, 2^212013123003 is an apocalyptic number.

212013123003 is a deficient number, since it is larger than the sum of its proper divisors (137051771637).

212013123003 is a wasteful number, since it uses less digits than its factorization.

212013123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453209 (or 2453200 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212013123003 its reverse (300321310212), we get a palindrome (512334433215).

The spelling of 212013123003 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three".