100212132 has 48 divisors (see below), whose sum is σ = 243272960. Its totient is φ = 32078592.

The previous prime is 100212121. The next prime is 100212143. The reversal of 100212132 is 231212001.

It is an interprime number because it is at equal distance from previous prime (100212121) and next prime (100212143).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 33648 + ... + 36504.

Almost surely, 2^100212132 is an apocalyptic number.

100212132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100212132 is an abundant number, since it is smaller than the sum of its proper divisors (143060828).

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

100212132 is a wasteful number, since it uses less digits than its factorization.

100212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100212132 is about 10010.6009809601. The cubic root of 100212132 is about 464.4868613959.

Adding to 100212132 its reverse (231212001), we get a palindrome (331424133).

The spelling of 100212132 in words is "one hundred million, two hundred twelve thousand, one hundred thirty-two".