201212010115 has 16 divisors (see below), whose sum is σ = 255892925952. Its totient is φ = 151361362944.

The previous prime is 201212010107. The next prime is 201212010121. The reversal of 201212010115 is 511010212102.

It is a cyclic number.

It is not a de Polignac number, because 201212010115 - 2³ = 201212010107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996474 + ... + 1181263.

It is an arithmetic number, because the mean of its divisors is an integer number (15993307872).

Almost surely, 2^201212010115 is an apocalyptic number.

201212010115 is a deficient number, since it is larger than the sum of its proper divisors (54680915837).

201212010115 is a wasteful number, since it uses less digits than its factorization.

201212010115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178846.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 201212010115 its reverse (511010212102), we get a palindrome (712222222217).

The spelling of 201212010115 in words is "two hundred one billion, two hundred twelve million, ten thousand, one hundred fifteen".