212110013 has 8 divisors (see below), whose sum is σ = 221662848. Its totient is φ = 202767264.

The previous prime is 212110001. The next prime is 212110079. The reversal of 212110013 is 310011212.

212110013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212110013 - 2⁸ = 212109757 is a prime.

It is a super-2 number, since 2×212110013² = 89981315229720338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212109976 and 212110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212116013) 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, 50456 + ... + 54497.

It is an arithmetic number, because the mean of its divisors is an integer number (27707856).

Almost surely, 2^212110013 is an apocalyptic number.

It is an amenable number.

212110013 is a deficient number, since it is larger than the sum of its proper divisors (9552835).

212110013 is a wasteful number, since it uses less digits than its factorization.

212110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105043.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212110013 is about 14563.9971505078. The cubic root of 212110013 is about 596.3763191383.

Adding to 212110013 its reverse (310011212), we get a palindrome (522121225).

The spelling of 212110013 in words is "two hundred twelve million, one hundred ten thousand, thirteen".