201211412 has 12 divisors (see below), whose sum is σ = 353119956. Its totient is φ = 100320000.

The previous prime is 201211411. The next prime is 201211447. The reversal of 201211412 is 214112102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74063236 + 127148176 = 8606^2 + 11276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211411) by changing a digit.

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, 69839 + ... + 72662.

It is an arithmetic number, because the mean of its divisors is an integer number (29426663).

Almost surely, 2^201211412 is an apocalyptic number.

It is an amenable number.

201211412 is a deficient number, since it is larger than the sum of its proper divisors (151908544).

201211412 is a wasteful number, since it uses less digits than its factorization.

201211412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142858 (or 142856 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 201211412 is about 14184.9008456175. The cubic root of 201211412 is about 585.9819017734.

Adding to 201211412 its reverse (214112102), we get a palindrome (415323514).

The spelling of 201211412 in words is "two hundred one million, two hundred eleven thousand, four hundred twelve".