101223132 has 12 divisors (see below), whose sum is σ = 236187336. Its totient is φ = 33741040.

The previous prime is 101223121. The next prime is 101223179. The reversal of 101223132 is 231322101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×101223132² = 20492244903778848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4217619 + ... + 4217642.

It is an arithmetic number, because the mean of its divisors is an integer number (19682278).

Almost surely, 2^101223132 is an apocalyptic number.

101223132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101223132 is an abundant number, since it is smaller than the sum of its proper divisors (134964204).

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

101223132 is a wasteful number, since it uses less digits than its factorization.

101223132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435268 (or 8435266 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101223132 is about 10060.9707285132. The cubic root of 101223132 is about 466.0436450246.

Adding to 101223132 its reverse (231322101), we get a palindrome (332545233).

The spelling of 101223132 in words is "one hundred one million, two hundred twenty-three thousand, one hundred thirty-two".