212134234203 has 40 divisors (see below), whose sum is σ = 327500992896. Its totient is φ = 136698969600.

The previous prime is 212134234187. The next prime is 212134234211. The reversal of 212134234203 is 302432431212.

212134234203 is a `hidden beast` number, since 2 + 1 + 213 + 4 + 23 + 420 + 3 = 666.

It is not a de Polignac number, because 212134234203 - 2⁴ = 212134234187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (212134234303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2092363 + ... + 2191403.

Almost surely, 2^212134234203 is an apocalyptic number.

212134234203 is a deficient number, since it is larger than the sum of its proper divisors (115366758693).

212134234203 is an equidigital number, since it uses as much as digits as its factorization.

212134234203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99937 (or 99928 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212134234203 its reverse (302432431212), we get a palindrome (514566665415).

The spelling of 212134234203 in words is "two hundred twelve billion, one hundred thirty-four million, two hundred thirty-four thousand, two hundred three".