212015066115 has 8 divisors (see below), whose sum is σ = 339224105808. Its totient is φ = 113074701920.

The previous prime is 212015066069. The next prime is 212015066117. The reversal of 212015066115 is 511660510212.

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

It is not a de Polignac number, because 212015066115 - 2²⁶ = 211947957251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212015066117) 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, 7067168856 + ... + 7067168885.

It is an arithmetic number, because the mean of its divisors is an integer number (42403013226).

Almost surely, 2^212015066115 is an apocalyptic number.

212015066115 is a deficient number, since it is larger than the sum of its proper divisors (127209039693).

212015066115 is a wasteful number, since it uses less digits than its factorization.

212015066115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14134337749.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 212015066115 its reverse (511660510212), we get a palindrome (723675576327).

The spelling of 212015066115 in words is "two hundred twelve billion, fifteen million, sixty-six thousand, one hundred fifteen".