201012111340040 has 192 divisors, whose sum is σ = 610589929887360. Its totient is φ = 57833654261760.

The previous prime is 201012111339997. The next prime is 201012111340111. The reversal of 201012111340040 is 40043111210102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201012111339994 and 201012111340021.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192567269 + ... + 193608308.

It is an arithmetic number, because the mean of its divisors is an integer number (3180155884830).

Almost surely, 2^{201012111340040} is an apocalyptic number.

201012111340040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201012111340040 is an abundant number, since it is smaller than the sum of its proper divisors (409577818547320).

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

201012111340040 is a wasteful number, since it uses less digits than its factorization.

201012111340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386175632 (or 386175615 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201012111340040 its reverse (40043111210102), we get a palindrome (241055222550142).

The spelling of 201012111340040 in words is "two hundred one trillion, twelve billion, one hundred eleven million, three hundred forty thousand, forty".