100143212 has 48 divisors (see below), whose sum is σ = 194091744. Its totient is φ = 44928000.

The previous prime is 100143191. The next prime is 100143223. The reversal of 100143212 is 212341001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415412 + ... + 415652.

It is an arithmetic number, because the mean of its divisors is an integer number (4043578).

Almost surely, 2^100143212 is an apocalyptic number.

It is an amenable number.

100143212 is a deficient number, since it is larger than the sum of its proper divisors (93948532).

100143212 is a wasteful number, since it uses less digits than its factorization.

100143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100143212 is about 10007.1580381245. The cubic root of 100143212 is about 464.3803547437.

Adding to 100143212 its reverse (212341001), we get a palindrome (312484213).

The spelling of 100143212 in words is "one hundred million, one hundred forty-three thousand, two hundred twelve".