212320441403 has 16 divisors (see below), whose sum is σ = 243640320000. Its totient is φ = 181248627456.

The previous prime is 212320441357. The next prime is 212320441409. The reversal of 212320441403 is 304144023212.

It is a cyclic number.

It is not a de Polignac number, because 212320441403 - 2²⁸ = 212052005947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212320441409) 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, 2644550 + ... + 2723652.

It is an arithmetic number, because the mean of its divisors is an integer number (15227520000).

Almost surely, 2^212320441403 is an apocalyptic number.

212320441403 is a deficient number, since it is larger than the sum of its proper divisors (31319878597).

212320441403 is a wasteful number, since it uses less digits than its factorization.

212320441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80666.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212320441403 its reverse (304144023212), we get a palindrome (516464464615).

The spelling of 212320441403 in words is "two hundred twelve billion, three hundred twenty million, four hundred forty-one thousand, four hundred three".