212011342403 has 8 divisors (see below), whose sum is σ = 243160952160. Its totient is φ = 181077301440.

The previous prime is 212011342393. The next prime is 212011342489. The reversal of 212011342403 is 304243110212.

212011342403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212011342403 - 2⁶ = 212011342339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212011342003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53890088 + ... + 53894021.

It is an arithmetic number, because the mean of its divisors is an integer number (30395119020).

Almost surely, 2^212011342403 is an apocalyptic number.

212011342403 is a deficient number, since it is larger than the sum of its proper divisors (31149609757).

212011342403 is a wasteful number, since it uses less digits than its factorization.

212011342403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107784397.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 212011342403 its reverse (304243110212), we get a palindrome (516254452615).

The spelling of 212011342403 in words is "two hundred twelve billion, eleven million, three hundred forty-two thousand, four hundred three".