612112 has 20 divisors (see below), whose sum is σ = 1205776. Its totient is φ = 300960.

The previous prime is 612109. The next prime is 612113. The reversal of 612112 is 211216.

It is a super-2 number, since 2×612112² = 749362201088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612092 and 612101.

It is not an unprimeable number, because it can be changed into a prime (612113) 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, 787 + ... + 1357.

2⁶¹²¹¹² is an apocalyptic number.

It is an amenable number.

612112 is a deficient number, since it is larger than the sum of its proper divisors (593664).

612112 is a wasteful number, since it uses less digits than its factorization.

612112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 640 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 612112 is about 782.3758687485. The cubic root of 612112 is about 84.9070263695.

Adding to 612112 its reverse (211216), we get a palindrome (823328).

The spelling of 612112 in words is "six hundred twelve thousand, one hundred twelve".