212112122115 has 8 divisors (see below), whose sum is σ = 339379395408. Its totient is φ = 113126465120.

The previous prime is 212112122111. The next prime is 212112122129. The reversal of 212112122115 is 511221211212.

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

It is not a de Polignac number, because 212112122115 - 2² = 212112122111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212112122091 and 212112122100.

It is not an unprimeable number, because it can be changed into a prime (212112122111) 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, 7070404056 + ... + 7070404085.

It is an arithmetic number, because the mean of its divisors is an integer number (42422424426).

Almost surely, 2^212112122115 is an apocalyptic number.

212112122115 is a deficient number, since it is larger than the sum of its proper divisors (127267273293).

212112122115 is a wasteful number, since it uses less digits than its factorization.

212112122115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140808149.

The product of its digits is 160, while the sum is 21.

Adding to 212112122115 its reverse (511221211212), we get a palindrome (723333333327).

The spelling of 212112122115 in words is "two hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, one hundred fifteen".