212403101 has 8 divisors (see below), whose sum is σ = 219499104. Its totient is φ = 205405200.

The previous prime is 212403067. The next prime is 212403119. The reversal of 212403101 is 101304212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212403101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212403161) 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 7 ways as a sum of consecutive naturals, for example, 20111 + ... + 28796.

It is an arithmetic number, because the mean of its divisors is an integer number (27437388).

Almost surely, 2^212403101 is an apocalyptic number.

It is an amenable number.

212403101 is a deficient number, since it is larger than the sum of its proper divisors (7096003).

212403101 is a wasteful number, since it uses less digits than its factorization.

212403101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49051.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 212403101 is about 14574.0557498591. The cubic root of 212403101 is about 596.6508783868.

Adding to 212403101 its reverse (101304212), we get a palindrome (313707313).

The spelling of 212403101 in words is "two hundred twelve million, four hundred three thousand, one hundred one".