212401401 has 8 divisors (see below), whose sum is σ = 283463040. Its totient is φ = 141470352.

The previous prime is 212401363. The next prime is 212401411. The reversal of 212401401 is 104104212.

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

It is not a de Polignac number, because 212401401 - 2⁹ = 212400889 is a prime.

It is a super-2 number, since 2×212401401² = 90228710293525602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212401411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28786 + ... + 35403.

It is an arithmetic number, because the mean of its divisors is an integer number (35432880).

Almost surely, 2^212401401 is an apocalyptic number.

It is an amenable number.

212401401 is a deficient number, since it is larger than the sum of its proper divisors (71061639).

212401401 is a wasteful number, since it uses less digits than its factorization.

212401401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65295.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 212401401 is about 14573.9974269244. The cubic root of 212401401 is about 596.6492865877.

Adding to 212401401 its reverse (104104212), we get a palindrome (316505613).

The spelling of 212401401 in words is "two hundred twelve million, four hundred one thousand, four hundred one".