201201043121000 has 64 divisors (see below), whose sum is σ = 507026628697680. Its totient is φ = 74289615916800.

The previous prime is 201201043120991. The next prime is 201201043121003. The reversal of 201201043121000 is 121340102102.

It can be written as a sum of positive squares in 8 ways, for example, as 14649097927396 + 186551945193604 = 3827414^2 + 13658402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201201043121000.

It is not an unprimeable number, because it can be changed into a prime (201201043121003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7738488659 + ... + 7738514658.

Almost surely, 2^{201201043121000} is an apocalyptic number.

201201043121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201043121000 is an abundant number, since it is smaller than the sum of its proper divisors (305825585576680).

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

201201043121000 is a wasteful number, since it uses less digits than its factorization.

201201043121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477003351 (or 15477003337 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201201043121000 its reverse (121340102102), we get a palindrome (201322383223102).

The spelling of 201201043121000 in words is "two hundred one trillion, two hundred one billion, forty-three million, one hundred twenty-one thousand".