100144012 has 12 divisors (see below), whose sum is σ = 180905536. Its totient is φ = 48456720.

The previous prime is 100144007. The next prime is 100144019. The reversal of 100144012 is 210441001.

It is a super-2 number, since 2×100144012² = 20057646278912288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100143983 and 100144001.

It is not an unprimeable number, because it can be changed into a prime (100144019) 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 3 ways as a sum of consecutive naturals, for example, 403683 + ... + 403930.

Almost surely, 2^100144012 is an apocalyptic number.

It is an amenable number.

100144012 is a deficient number, since it is larger than the sum of its proper divisors (80761524).

100144012 is a wasteful number, since it uses less digits than its factorization.

100144012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807648 (or 807646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100144012 is about 10007.1980094330. The cubic root of 100144012 is about 464.3815913171.

Adding to 100144012 its reverse (210441001), we get a palindrome (310585013).

The spelling of 100144012 in words is "one hundred million, one hundred forty-four thousand, twelve".