12101532 has 24 divisors (see below), whose sum is σ = 29148672. Its totient is φ = 3903600.

The previous prime is 12101527. The next prime is 12101567. The reversal of 12101532 is 23510121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15894 + ... + 16637.

It is an arithmetic number, because the mean of its divisors is an integer number (1214528).

Almost surely, 2^12101532 is an apocalyptic number.

12101532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101532 is an abundant number, since it is smaller than the sum of its proper divisors (17047140).

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

12101532 is a wasteful number, since it uses less digits than its factorization.

12101532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32569 (or 32567 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12101532 is about 3478.7256287325. The cubic root of 12101532 is about 229.5867310943.

Adding to 12101532 its reverse (23510121), we get a palindrome (35611653).

The spelling of 12101532 in words is "twelve million, one hundred one thousand, five hundred thirty-two".