201212102 has 32 divisors (see below), whose sum is σ = 393325632. Its totient is φ = 74916864.

The previous prime is 201212101. The next prime is 201212107.

It is a happy number.

201212102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212101) 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, 29423 + ... + 35610.

It is an arithmetic number, because the mean of its divisors is an integer number (12291426).

Almost surely, 2^201212102 is an apocalyptic number.

201212102 is a deficient number, since it is larger than the sum of its proper divisors (192113530).

201212102 is a wasteful number, since it uses less digits than its factorization.

201212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65072.

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

The square root of 201212102 is about 14184.9251672330. The cubic root of 201212102 is about 585.9825715947.

Multiplying 201212102 by its sum of digits (11), we get a palindrome (2213333122).

The spelling of 201212102 in words is "two hundred one million, two hundred twelve thousand, one hundred two".