1212612 has 12 divisors (see below), whose sum is σ = 2829456. Its totient is φ = 404200.

The previous prime is 1212611. The next prime is 1212613. The reversal of 1212612 is 2162121.

It is an interprime number because it is at equal distance from previous prime (1212611) and next prime (1212613).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1212591 and 1212600.

It is not an unprimeable number, because it can be changed into a prime (1212611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50514 + ... + 50537.

It is an arithmetic number, because the mean of its divisors is an integer number (235788).

2^1212612 is an apocalyptic number.

1212612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212612 is an abundant number, since it is smaller than the sum of its proper divisors (1616844).

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

1212612 is a wasteful number, since it uses less digits than its factorization.

1212612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101058 (or 101056 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 1212612 is about 1101.1866326831. The cubic root of 1212612 is about 106.6368449619.

Adding to 1212612 its reverse (2162121), we get a palindrome (3374733).

The spelling of 1212612 in words is "one million, two hundred twelve thousand, six hundred twelve".