212030112403 has 4 divisors (see below), whose sum is σ = 212031049680. Its totient is φ = 212029175128.

The previous prime is 212030112391. The next prime is 212030112479. The reversal of 212030112403 is 304211030212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030112403 is a prime.

It is a super-4 number, since 4×212030112403⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212030112703) 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, 103626 + ... + 659392.

It is an arithmetic number, because the mean of its divisors is an integer number (53007762420).

Almost surely, 2^212030112403 is an apocalyptic number.

212030112403 is a deficient number, since it is larger than the sum of its proper divisors (937277).

212030112403 is an equidigital number, since it uses as much as digits as its factorization.

212030112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937276.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212030112403 its reverse (304211030212), we get a palindrome (516241142615).

The spelling of 212030112403 in words is "two hundred twelve billion, thirty million, one hundred twelve thousand, four hundred three".