12011132140 has 24 divisors (see below), whose sum is σ = 28826717472. Its totient is φ = 4118102400.

The previous prime is 12011132083. The next prime is 12011132183. The reversal of 12011132140 is 4123111021.

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, 42896761 + ... + 42897040.

It is an arithmetic number, because the mean of its divisors is an integer number (1201113228).

Almost surely, 2^12011132140 is an apocalyptic number.

12011132140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011132140 is an abundant number, since it is smaller than the sum of its proper divisors (16815585332).

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

12011132140 is a wasteful number, since it uses less digits than its factorization.

12011132140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85793817 (or 85793815 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011132140 its reverse (4123111021), we get a palindrome (16134243161).

It can be divided in two parts, 120111 and 32140, that added together give a palindrome (152251).

The spelling of 12011132140 in words is "twelve billion, eleven million, one hundred thirty-two thousand, one hundred forty".