102212401 has 4 divisors (see below), whose sum is σ = 102783600. Its totient is φ = 101641204.

The previous prime is 102212387. The next prime is 102212417. The reversal of 102212401 is 104212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102212401 - 2¹³ = 102204209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285331 + ... + 285688.

It is an arithmetic number, because the mean of its divisors is an integer number (25695900).

Almost surely, 2^102212401 is an apocalyptic number.

It is an amenable number.

102212401 is a deficient number, since it is larger than the sum of its proper divisors (571199).

102212401 is an equidigital number, since it uses as much as digits as its factorization.

102212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571198.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102212401 is about 10110.0148862403. The cubic root of 102212401 is about 467.5569640902.

Adding to 102212401 its reverse (104212201), we get a palindrome (206424602).

The spelling of 102212401 in words is "one hundred two million, two hundred twelve thousand, four hundred one".