12011100123132 has 96 divisors (see below), whose sum is σ = 35447779100160. Its totient is φ = 3481478288640.

The previous prime is 12011100123131. The next prime is 12011100123133. The reversal of 12011100123132 is 23132100111021.

It is an interprime number because it is at equal distance from previous prime (12011100123131) and next prime (12011100123133).

It is a super-2 number, since 2×12011100123132² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100123131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219762973 + ... + 219817620.

It is an arithmetic number, because the mean of its divisors is an integer number (369247698960).

Almost surely, 2^{12011100123132} is an apocalyptic number.

12011100123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12011100123132 is an abundant number, since it is smaller than the sum of its proper divisors (23436678977028).

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

12011100123132 is a wasteful number, since it uses less digits than its factorization.

12011100123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439580640 (or 439580632 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011100123132 its reverse (23132100111021), we get a palindrome (35143200234153).

The spelling of 12011100123132 in words is "twelve trillion, eleven billion, one hundred million, one hundred twenty-three thousand, one hundred thirty-two".