201042000000000 has 2200 divisors, whose sum is σ = 805466431192104. Its totient is φ = 49766400000000.

The previous prime is 201041999999987. The next prime is 201042000000031. The reversal of 201042000000000 is 240102.

It can be written as a sum of positive squares in 20 ways, for example, as 827197526016 + 200214802473984 = 909504^2 + 14149728^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 2753999999964 + ... + 2754000000036.

Almost surely, 2^{201042000000000} is an apocalyptic number.

201042000000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201042000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402733215596052).

201042000000000 is an abundant number, since it is smaller than the sum of its proper divisors (604424431192104).

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

201042000000000 is an frugal number, since it uses more digits than its factorization.

201042000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 201042000000000 its reverse (240102), we get a palindrome (201042000240102).

The spelling of 201042000000000 in words is "two hundred one trillion, forty-two billion", and thus it is an aban number.