12106040232 has 128 divisors (see below), whose sum is σ = 35707392000. Its totient is φ = 3371907840.

The previous prime is 12106040231. The next prime is 12106040263. The reversal of 12106040232 is 23204060121.

It is a super-2 number, since 2×12106040232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12106040199 and 12106040208.

It is not an unprimeable number, because it can be changed into a prime (12106040231) 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, 812869 + ... + 827627.

It is an arithmetic number, because the mean of its divisors is an integer number (278964000).

Almost surely, 2^12106040232 is an apocalyptic number.

12106040232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12106040232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17853696000).

12106040232 is an abundant number, since it is smaller than the sum of its proper divisors (23601351768).

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

12106040232 is a wasteful number, since it uses less digits than its factorization.

12106040232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15031 (or 15027 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The spelling of 12106040232 in words is "twelve billion, one hundred six million, forty thousand, two hundred thirty-two".