1212168 has 32 divisors (see below), whose sum is σ = 3209760. Its totient is φ = 380160.

The previous prime is 1212149. The next prime is 1212173. The reversal of 1212168 is 8612121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (100305).

2^1212168 is an apocalyptic number.

It is an amenable number.

1212168 is an abundant number, since it is smaller than the sum of its proper divisors (1997592).

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

1212168 is a wasteful number, since it uses less digits than its factorization.

1212168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2993 counting only the distinct ones).

The product of its digits is 192, while the sum is 21.

The square root of 1212168 is about 1100.9850135220. The cubic root of 1212168 is about 106.6238282841.

Adding to 1212168 its reverse (8612121), we get a palindrome (9824289).

The spelling of 1212168 in words is "one million, two hundred twelve thousand, one hundred sixty-eight".