201340201212 has 36 divisors (see below), whose sum is σ = 510821330656. Its totient is φ = 66865746240.

The previous prime is 201340201207. The next prime is 201340201217. The reversal of 201340201212 is 212102043102.

It is a happy number.

201340201212 is a `hidden beast` number, since 201 + 340 + 2 + 0 + 121 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (201340201207) and next prime (201340201217).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201340201217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10309033 + ... + 10328544.

Almost surely, 2^201340201212 is an apocalyptic number.

It is an amenable number.

201340201212 is an abundant number, since it is smaller than the sum of its proper divisors (309481129444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201340201212 is a wasteful number, since it uses less digits than its factorization.

201340201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20637858 (or 20637853 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201340201212 its reverse (212102043102), we get a palindrome (413442244314).

The spelling of 201340201212 in words is "two hundred one billion, three hundred forty million, two hundred one thousand, two hundred twelve".