200311124131240 has 32 divisors (see below), whose sum is σ = 450711651461760. Its totient is φ = 80122383489600.

The previous prime is 200311124131201. The next prime is 200311124131291. The reversal of 200311124131240 is 42131421113002.

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, 62996556 + ... + 66099835.

It is an arithmetic number, because the mean of its divisors is an integer number (14084739108180).

Almost surely, 2^{200311124131240} is an apocalyptic number.

200311124131240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200311124131240 is an abundant number, since it is smaller than the sum of its proper divisors (250400527330520).

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

200311124131240 is a wasteful number, since it uses less digits than its factorization.

200311124131240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129135193 (or 129135189 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 200311124131240 its reverse (42131421113002), we get a palindrome (242442545244242).

The spelling of 200311124131240 in words is "two hundred trillion, three hundred eleven billion, one hundred twenty-four million, one hundred thirty-one thousand, two hundred forty".