201213412 has 12 divisors (see below), whose sum is σ = 355610556. Its totient is φ = 99610400.

The previous prime is 201213373. The next prime is 201213421. The reversal of 201213412 is 214312102.

201213412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194212096 + 7001316 = 13936^2 + 2646^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 248623 + ... + 249430.

It is an arithmetic number, because the mean of its divisors is an integer number (29634213).

Almost surely, 2^201213412 is an apocalyptic number.

It is an amenable number.

201213412 is a deficient number, since it is larger than the sum of its proper divisors (154397144).

201213412 is a wasteful number, since it uses less digits than its factorization.

201213412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498158 (or 498156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 201213412 is about 14184.9713429390. The cubic root of 201213412 is about 585.9838432802.

Adding to 201213412 its reverse (214312102), we get a palindrome (415525514).

The spelling of 201213412 in words is "two hundred one million, two hundred thirteen thousand, four hundred twelve".