12025040140 has 24 divisors (see below), whose sum is σ = 25298772912. Its totient is φ = 4801218240.

The previous prime is 12025040129. The next prime is 12025040143. The reversal of 12025040140 is 4104052021.

It is a super-2 number, since 2×12025040140² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12025040143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538651 + ... + 560530.

It is an arithmetic number, because the mean of its divisors is an integer number (1054115538).

Almost surely, 2^12025040140 is an apocalyptic number.

12025040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12025040140 is an abundant number, since it is smaller than the sum of its proper divisors (13273732772).

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

12025040140 is a wasteful number, since it uses less digits than its factorization.

12025040140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099737 (or 1099735 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 12025040140 its reverse (4104052021), we get a palindrome (16129092161).

The spelling of 12025040140 in words is "twelve billion, twenty-five million, forty thousand, one hundred forty".