10642212 has 72 divisors (see below), whose sum is σ = 32111520. Its totient is φ = 3039120.

The previous prime is 10642211. The next prime is 10642231. The reversal of 10642212 is 21224601.

10642212 is a `hidden beast` number, since 1 + 0 + 642 + 21 + 2 = 666.

It is a super-2 number, since 2×10642212² = 226513352505888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10642211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4287 + ... + 6297.

Almost surely, 2^10642212 is an apocalyptic number.

10642212 is a gapful number since it is divisible by the number (12) 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 10642212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16055760).

10642212 is an abundant number, since it is smaller than the sum of its proper divisors (21469308).

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

10642212 is a wasteful number, since it uses less digits than its factorization.

10642212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 10642212 is about 3262.2403344941. The cubic root of 10642212 is about 219.9601305161.

Adding to 10642212 its reverse (21224601), we get a palindrome (31866813).

The spelling of 10642212 in words is "ten million, six hundred forty-two thousand, two hundred twelve".