12030212 has 12 divisors (see below), whose sum is σ = 21078876. Its totient is φ = 6007680.

The previous prime is 12030209. The next prime is 12030223. The reversal of 12030212 is 21203021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1943236 + 10086976 = 1394^2 + 3176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12030193 and 12030202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (1756573).

Almost surely, 2^12030212 is an apocalyptic number.

It is an amenable number.

12030212 is a deficient number, since it is larger than the sum of its proper divisors (9048664).

12030212 is a wasteful number, since it uses less digits than its factorization.

12030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12030212 is about 3468.4596004567. The cubic root of 12030212 is about 229.1348214188.

Adding to 12030212 its reverse (21203021), we get a palindrome (33233233).

It can be divided in two parts, 1203021 and 2, that multiplied together give a palindrome (2406042).

The spelling of 12030212 in words is "twelve million, thirty thousand, two hundred twelve".