2012211207 has 16 divisors (see below), whose sum is σ = 3137952000. Its totient is φ = 1270869912.

The previous prime is 2012211203. The next prime is 2012211211. The reversal of 2012211207 is 7021122102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2012211203) and next prime (2012211211).

It is not a de Polignac number, because 2012211207 - 2² = 2012211203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012211207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012211203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1960707 + ... + 1961732.

It is an arithmetic number, because the mean of its divisors is an integer number (196122000).

Almost surely, 2^2012211207 is an apocalyptic number.

2012211207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2012211207 is a deficient number, since it is larger than the sum of its proper divisors (1125740793).

2012211207 is a wasteful number, since it uses less digits than its factorization.

2012211207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922467 (or 3922461 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 2012211207 is about 44857.6772358980. The cubic root of 2012211207 is about 1262.4800416673.

Adding to 2012211207 its reverse (7021122102), we get a palindrome (9033333309).

It can be divided in two parts, 20122 and 11207, that added together give a square (31329 = 177²).

The spelling of 2012211207 in words is "two billion, twelve million, two hundred eleven thousand, two hundred seven".