162112300 has 36 divisors (see below), whose sum is σ = 402040240. Its totient is φ = 55581120.

The previous prime is 162112267. The next prime is 162112309. The reversal of 162112300 is 3211261.

It is a super-2 number, since 2×162112300² = 52560795622580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162112309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 115095 + ... + 116494.

Almost surely, 2^162112300 is an apocalyptic number.

162112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162112300 is an abundant number, since it is smaller than the sum of its proper divisors (239927940).

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

162112300 is a wasteful number, since it uses less digits than its factorization.

162112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231610 (or 231603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 162112300 is about 12732.3328577288. The cubic root of 162112300 is about 545.2621133484.

Adding to 162112300 its reverse (3211261), we get a palindrome (165323561).

The spelling of 162112300 in words is "one hundred sixty-two million, one hundred twelve thousand, three hundred".