10212838 has 4 divisors (see below), whose sum is σ = 15319260. Its totient is φ = 5106418.

The previous prime is 10212833. The next prime is 10212859. The reversal of 10212838 is 83821201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83821201 = 157 ⋅533893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553208 + ... + 2553211.

It is an arithmetic number, because the mean of its divisors is an integer number (3829815).

Almost surely, 2^10212838 is an apocalyptic number.

10212838 is a deficient number, since it is larger than the sum of its proper divisors (5106422).

10212838 is an equidigital number, since it uses as much as digits as its factorization.

10212838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106421.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 10212838 is about 3195.7531193758. The cubic root of 10212838 is about 216.9612366786.

The spelling of 10212838 in words is "ten million, two hundred twelve thousand, eight hundred thirty-eight".