212411145 has 8 divisors (see below), whose sum is σ = 339857856. Its totient is φ = 113285936.

The previous prime is 212411137. The next prime is 212411231. The reversal of 212411145 is 541114212.

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 212411145 - 2³ = 212411137 is a prime.

It is a super-2 number, since 2×212411145² = 90236989040422050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7080357 + ... + 7080386.

It is an arithmetic number, because the mean of its divisors is an integer number (42482232).

Almost surely, 2^212411145 is an apocalyptic number.

It is an amenable number.

212411145 is a deficient number, since it is larger than the sum of its proper divisors (127446711).

212411145 is a wasteful number, since it uses less digits than its factorization.

212411145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14160751.

The product of its digits is 320, while the sum is 21.

The square root of 212411145 is about 14574.3317170977. The cubic root of 212411145 is about 596.6584102905.

Adding to 212411145 its reverse (541114212), we get a palindrome (753525357).

The spelling of 212411145 in words is "two hundred twelve million, four hundred eleven thousand, one hundred forty-five".