201615200012 has 24 divisors (see below), whose sum is σ = 353761504656. Its totient is φ = 100540689408.

The previous prime is 201615200011. The next prime is 201615200047. The reversal of 201615200012 is 210002516102.

It is a super-3 number, since 3×201615200012³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (201615200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4130783 + ... + 4179305.

It is an arithmetic number, because the mean of its divisors is an integer number (14740062694).

Almost surely, 2^201615200012 is an apocalyptic number.

It is an amenable number.

201615200012 is a deficient number, since it is larger than the sum of its proper divisors (152146304644).

201615200012 is a wasteful number, since it uses less digits than its factorization.

201615200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51257 (or 51255 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 201615200012 its reverse (210002516102), we get a palindrome (411617716114).

The spelling of 201615200012 in words is "two hundred one billion, six hundred fifteen million, two hundred thousand, twelve".