12012102132 has 24 divisors (see below), whose sum is σ = 28058050272. Its totient is φ = 3999775200.

The previous prime is 12012102101. The next prime is 12012102143. The reversal of 12012102132 is 23120121021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520594 + ... + 543177.

It is an arithmetic number, because the mean of its divisors is an integer number (1169085428).

Almost surely, 2^12012102132 is an apocalyptic number.

12012102132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12012102132 is an abundant number, since it is smaller than the sum of its proper divisors (16045948140).

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

12012102132 is a wasteful number, since it uses less digits than its factorization.

12012102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064719 (or 1064717 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12012102132 its reverse (23120121021), we get a palindrome (35132223153).

The spelling of 12012102132 in words is "twelve billion, twelve million, one hundred two thousand, one hundred thirty-two".