212204021203 has 4 divisors (see below), whose sum is σ = 212209954528. Its totient is φ = 212198087880.

The previous prime is 212204021179. The next prime is 212204021207. The reversal of 212204021203 is 302120402212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212204021203 - 2²⁹ = 211667150291 is a prime.

It is a super-2 number, since 2×212204021203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212204021207) 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, 2912688 + ... + 2984653.

It is an arithmetic number, because the mean of its divisors is an integer number (53052488632).

Almost surely, 2^212204021203 is an apocalyptic number.

212204021203 is a deficient number, since it is larger than the sum of its proper divisors (5933325).

212204021203 is an equidigital number, since it uses as much as digits as its factorization.

212204021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933324.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212204021203 its reverse (302120402212), we get a palindrome (514324423415).

The spelling of 212204021203 in words is "two hundred twelve billion, two hundred four million, twenty-one thousand, two hundred three".