12011477152 has 48 divisors (see below), whose sum is σ = 25010445600. Its totient is φ = 5662621440.

The previous prime is 12011477147. The next prime is 12011477161. The reversal of 12011477152 is 25177411021.

It is a super-2 number, since 2×12011477152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81474 + ... + 175102.

It is an arithmetic number, because the mean of its divisors is an integer number (521050950).

Almost surely, 2^12011477152 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 12011477152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12505222800).

12011477152 is an abundant number, since it is smaller than the sum of its proper divisors (12998968448).

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

12011477152 is a wasteful number, since it uses less digits than its factorization.

12011477152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93869 (or 93861 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

Adding to 12011477152 its reverse (25177411021), we get a palindrome (37188888173).

The spelling of 12011477152 in words is "twelve billion, eleven million, four hundred seventy-seven thousand, one hundred fifty-two".