100103212 has 24 divisors (see below), whose sum is σ = 191443392. Its totient is φ = 45421200.

The previous prime is 100103207. The next prime is 100103219. The reversal of 100103212 is 212301001.

It is not an unprimeable number, because it can be changed into a prime (100103219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28387 + ... + 31717.

It is an arithmetic number, because the mean of its divisors is an integer number (7976808).

Almost surely, 2^100103212 is an apocalyptic number.

It is an amenable number.

100103212 is a deficient number, since it is larger than the sum of its proper divisors (91340180).

100103212 is a wasteful number, since it uses less digits than its factorization.

100103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100103212 is about 10005.1592690971. The cubic root of 100103212 is about 464.3185176755.

Adding to 100103212 its reverse (212301001), we get a palindrome (312404213).

The spelling of 100103212 in words is "one hundred million, one hundred three thousand, two hundred twelve".