200012122015 has 8 divisors (see below), whose sum is σ = 241625383200. Its totient is φ = 158935806432.

The previous prime is 200012122007. The next prime is 200012122021. The reversal of 200012122015 is 510221210002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200012122015 - 2³ = 200012122007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200012122015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134235579 + ... + 134237068.

It is an arithmetic number, because the mean of its divisors is an integer number (30203172900).

Almost surely, 2^200012122015 is an apocalyptic number.

200012122015 is a deficient number, since it is larger than the sum of its proper divisors (41613261185).

200012122015 is a wasteful number, since it uses less digits than its factorization.

200012122015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268472801.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 200012122015 its reverse (510221210002), we get a palindrome (710233332017).

The spelling of 200012122015 in words is "two hundred billion, twelve million, one hundred twenty-two thousand, fifteen".