212323101 has 8 divisors (see below), whose sum is σ = 283540320.
Its totient is φ = 141327312.
The previous prime is 212323093. The next prime is 212323103. The reversal of 212323101 is 101323212.
Adding to 212323101 its reverse (101323212), we get a palindrome (313646313).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212323101 - 23 = 212323093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212323103) 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, 53106 + ... + 56963.
It is an arithmetic number, because the mean of its divisors is an integer number (35442540).
Almost surely, 2212323101 is an apocalyptic number.
It is an amenable number.
212323101 is a deficient number, since it is larger than the sum of its proper divisors (71217219).
212323101 is a wasteful number, since it uses less digits than its factorization.
212323101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110715.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 212323101 is about 14571.3108881802.
The cubic root of 212323101 is about 596.5759609869.
The spelling of 212323101 in words is "two hundred twelve million, three hundred twenty-three thousand, one hundred one".