12050021140 has 96 divisors (see below), whose sum is σ = 26016971904. Its totient is φ = 4687065600.

The previous prime is 12050021119. The next prime is 12050021143. The reversal of 12050021140 is 4112005021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050021143) 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, 42579439 + ... + 42579721.

It is an arithmetic number, because the mean of its divisors is an integer number (271010124).

Almost surely, 2^12050021140 is an apocalyptic number.

12050021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12050021140 is an abundant number, since it is smaller than the sum of its proper divisors (13966950764).

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

12050021140 is a wasteful number, since it uses less digits than its factorization.

12050021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12050021140 its reverse (4112005021), we get a palindrome (16162026161).

The spelling of 12050021140 in words is "twelve billion, fifty million, twenty-one thousand, one hundred forty".