2123867212 has 6 divisors (see below), whose sum is σ = 3716767628. Its totient is φ = 1061933604.

The previous prime is 2123867203. The next prime is 2123867243. The reversal of 2123867212 is 2127683212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265483398 + ... + 265483405.

Almost surely, 2^2123867212 is an apocalyptic number.

It is an amenable number.

2123867212 is a deficient number, since it is larger than the sum of its proper divisors (1592900416).

2123867212 is a wasteful number, since it uses less digits than its factorization.

2123867212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530966807 (or 530966805 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 2123867212 is about 46085.4338376021. The cubic root of 2123867212 is about 1285.4123063369.

The spelling of 2123867212 in words is "two billion, one hundred twenty-three million, eight hundred sixty-seven thousand, two hundred twelve".