2321212 has 6 divisors (see below), whose sum is σ = 4062128. Its totient is φ = 1160604.

The previous prime is 2321171. The next prime is 2321213. The reversal of 2321212 is 2121232.

2321212 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

2321212 is a modest number, since divided by 1212 gives 232 as remainder.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 2321192 and 2321201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290148 + ... + 290155.

2^2321212 is an apocalyptic number.

It is an amenable number.

2321212 is a deficient number, since it is larger than the sum of its proper divisors (1740916).

2321212 is a wasteful number, since it uses less digits than its factorization.

2321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580307 (or 580305 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 2321212 is about 1523.5524277162. The cubic root of 2321212 is about 132.4051676956.

Adding to 2321212 its reverse (2121232), we get a palindrome (4442444).

It can be divided in two parts, 232 and 1212, that added together give a square (1444 = 38²).

The spelling of 2321212 in words is "two million, three hundred twenty-one thousand, two hundred twelve".