201432124140 has 72 divisors (see below), whose sum is σ = 610732695888. Its totient is φ = 49583289600.

The previous prime is 201432124111. The next prime is 201432124163. The reversal of 201432124140 is 41421234102.

It is a self number, because there is not a number n which added to its sum of digits gives 201432124140.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9922411 + ... + 9942690.

It is an arithmetic number, because the mean of its divisors is an integer number (8482398554).

Almost surely, 2^201432124140 is an apocalyptic number.

201432124140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201432124140 is an abundant number, since it is smaller than the sum of its proper divisors (409300571748).

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

201432124140 is a wasteful number, since it uses less digits than its factorization.

201432124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19865139 (or 19865124 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201432124140 its reverse (41421234102), we get a palindrome (242853358242).

The spelling of 201432124140 in words is "two hundred one billion, four hundred thirty-two million, one hundred twenty-four thousand, one hundred forty".