201212012 has 12 divisors (see below), whose sum is σ = 357080976. Its totient is φ = 99188880.

The previous prime is 201211999. The next prime is 201212021. The reversal of 201212012 is 210212102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201211984 and 201212002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353963 + ... + 354530.

It is an arithmetic number, because the mean of its divisors is an integer number (29756748).

Almost surely, 2^201212012 is an apocalyptic number.

It is an amenable number.

201212012 is a deficient number, since it is larger than the sum of its proper divisors (155868964).

201212012 is a wasteful number, since it uses less digits than its factorization.

201212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708568 (or 708566 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201212012 is about 14184.9219948507. The cubic root of 201212012 is about 585.9824842268.

Adding to 201212012 its reverse (210212102), we get a palindrome (411424114).

The spelling of 201212012 in words is "two hundred one million, two hundred twelve thousand, twelve".