12212212203 has 12 divisors (see below), whose sum is σ = 17650122360. Its totient is φ = 8136739296.

The previous prime is 12212212031. The next prime is 12212212211. The reversal of 12212212203 is 30221221221.

12212212203 is a `hidden beast` number, since 1 + 221 + 221 + 220 + 3 = 666.

It is not a de Polignac number, because 12212212203 - 2²¹ = 12210115051 is a prime.

It is a super-2 number, since 2×12212212203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212252203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378258 + ... + 409271.

It is an arithmetic number, because the mean of its divisors is an integer number (1470843530).

Almost surely, 2^12212212203 is an apocalyptic number.

12212212203 is a deficient number, since it is larger than the sum of its proper divisors (5437910157).

12212212203 is a wasteful number, since it uses less digits than its factorization.

12212212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789258 (or 789255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12212212203 its reverse (30221221221), we get a palindrome (42433433424).

The spelling of 12212212203 in words is "twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred three".