10030212 has 18 divisors (see below), whose sum is σ = 25354238. Its totient is φ = 3343392.

The previous prime is 10030193. The next prime is 10030217. The reversal of 10030212 is 21203001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 4384836 = 2376^2 + 2094^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 10030194 and 10030203.

It is not an unprimeable number, because it can be changed into a prime (10030217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139273 + ... + 139344.

Almost surely, 2^10030212 is an apocalyptic number.

10030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10030212 is an abundant number, since it is smaller than the sum of its proper divisors (15324026).

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

10030212 is a wasteful number, since it uses less digits than its factorization.

10030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278627 (or 278622 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10030212 is about 3167.0509942216. The cubic root of 10030212 is about 215.6602168062.

Adding to 10030212 its reverse (21203001), we get a palindrome (31233213).

The spelling of 10030212 in words is "ten million, thirty thousand, two hundred twelve".