212612667 has 8 divisors (see below), whose sum is σ = 295809024. Its totient is φ = 135579048.

The previous prime is 212612657. The next prime is 212612669. The reversal of 212612667 is 766216212.

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

It is not a de Polignac number, because 212612667 - 2¹⁰ = 212611643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212612669) 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, 1540603 + ... + 1540740.

It is an arithmetic number, because the mean of its divisors is an integer number (36976128).

Almost surely, 2^212612667 is an apocalyptic number.

212612667 is a deficient number, since it is larger than the sum of its proper divisors (83196357).

212612667 is a wasteful number, since it uses less digits than its factorization.

212612667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081369.

The product of its digits is 12096, while the sum is 33.

The square root of 212612667 is about 14581.2436712374. The cubic root of 212612667 is about 596.8470409937.

Adding to 212612667 its reverse (766216212), we get a palindrome (978828879).

The spelling of 212612667 in words is "two hundred twelve million, six hundred twelve thousand, six hundred sixty-seven".