1212152 has 16 divisors (see below), whose sum is σ = 2285160. Its totient is φ = 602784.

The previous prime is 1212149. The next prime is 1212173. The reversal of 1212152 is 2512121.

It is a super-2 number, since 2×1212152² = 2938624942208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943 + ... + 2489.

2^1212152 is an apocalyptic number.

It is an amenable number.

1212152 is a deficient number, since it is larger than the sum of its proper divisors (1073008).

1212152 is a wasteful number, since it uses less digits than its factorization.

1212152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 826 counting only the distinct ones).

The product of its digits is 40, while the sum is 14.

The square root of 1212152 is about 1100.9777472774. The cubic root of 1212152 is about 106.6233591553.

Adding to 1212152 its reverse (2512121), we get a palindrome (3724273).

The spelling of 1212152 in words is "one million, two hundred twelve thousand, one hundred fifty-two".