212200401 has 16 divisors (see below), whose sum is σ = 326689664. Its totient is φ = 120006144.

The previous prime is 212200397. The next prime is 212200433. The reversal of 212200401 is 104002212.

It is not a de Polignac number, because 212200401 - 2² = 212200397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212200601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50050 + ... + 54123.

It is an arithmetic number, because the mean of its divisors is an integer number (20418104).

Almost surely, 2^212200401 is an apocalyptic number.

212200401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212200401 is a deficient number, since it is larger than the sum of its proper divisors (114489263).

212200401 is a wasteful number, since it uses less digits than its factorization.

212200401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104280.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 212200401 is about 14567.0999516033. The cubic root of 212200401 is about 596.4610198506.

Adding to 212200401 its reverse (104002212), we get a palindrome (316202613).

The spelling of 212200401 in words is "two hundred twelve million, two hundred thousand, four hundred one".