212412401 has 8 divisors (see below), whose sum is σ = 214267200. Its totient is φ = 210565872.

The previous prime is 212412397. The next prime is 212412413. The reversal of 212412401 is 104214212.

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 212412401 - 2² = 212412397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212412401.

It is not an unprimeable number, because it can be changed into a prime (212412451) 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, 56486 + ... + 60128.

It is an arithmetic number, because the mean of its divisors is an integer number (26783400).

Almost surely, 2^212412401 is an apocalyptic number.

It is an amenable number.

212412401 is a deficient number, since it is larger than the sum of its proper divisors (1854799).

212412401 is a wasteful number, since it uses less digits than its factorization.

212412401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4135.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 212412401 is about 14574.3748064883. The cubic root of 212412401 is about 596.6595863140.

Adding to 212412401 its reverse (104214212), we get a palindrome (316626613).

The spelling of 212412401 in words is "two hundred twelve million, four hundred twelve thousand, four hundred one".