101212213 has 8 divisors (see below), whose sum is σ = 105775488. Its totient is φ = 96662544.

The previous prime is 101212211. The next prime is 101212219. The reversal of 101212213 is 312212101.

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

It is a cyclic number.

It is not a de Polignac number, because 101212213 - 2¹ = 101212211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101212193 and 101212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212211) 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, 13695 + ... + 19747.

It is an arithmetic number, because the mean of its divisors is an integer number (13221936).

Almost surely, 2^101212213 is an apocalyptic number.

It is an amenable number.

101212213 is a deficient number, since it is larger than the sum of its proper divisors (4563275).

101212213 is an equidigital number, since it uses as much as digits as its factorization.

101212213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101212213 is about 10060.4280724033. The cubic root of 101212213 is about 466.0268869528.

Adding to 101212213 its reverse (312212101), we get a palindrome (413424314).

It can be divided in two parts, 1012 and 12213, that added together give a square (13225 = 115²).

The spelling of 101212213 in words is "one hundred one million, two hundred twelve thousand, two hundred thirteen".