10212120 has 96 divisors (see below), whose sum is σ = 34959600. Its totient is φ = 2578176.

The previous prime is 10212119. The next prime is 10212131. The reversal of 10212120 is 2121201.

10212120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6094 + ... + 7586.

Almost surely, 2^10212120 is an apocalyptic number.

10212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17479800).

10212120 is an abundant number, since it is smaller than the sum of its proper divisors (24747480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10212120 is a wasteful number, since it uses less digits than its factorization.

10212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10212120 is about 3195.6407808138. The cubic root of 10212120 is about 216.9561521689.

Adding to 10212120 its reverse (2121201), we get a palindrome (12333321).

The spelling of 10212120 in words is "ten million, two hundred twelve thousand, one hundred twenty".