12055011332 has 144 divisors (see below), whose sum is σ = 27014383872. Its totient is φ = 4606318080.

The previous prime is 12055011317. The next prime is 12055011361. The reversal of 12055011332 is 23311055021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12055011298 and 12055011307.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17806178 + ... + 17806854.

It is an arithmetic number, because the mean of its divisors is an integer number (187599888).

Almost surely, 2^12055011332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12055011332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13507191936).

12055011332 is an abundant number, since it is smaller than the sum of its proper divisors (14959372540).

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

12055011332 is a wasteful number, since it uses less digits than its factorization.

12055011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 12055011332 its reverse (23311055021), we get a palindrome (35366066353).

The spelling of 12055011332 in words is "twelve billion, fifty-five million, eleven thousand, three hundred thirty-two".