203011233101012 has 96 divisors (see below), whose sum is σ = 432437598270720. Its totient is φ = 81404803307520.

The previous prime is 203011233100987. The next prime is 203011233101101. The reversal of 203011233101012 is 210101332110302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795436439 + ... + 795691617.

It is an arithmetic number, because the mean of its divisors is an integer number (4504558315320).

Almost surely, 2^{203011233101012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203011233101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216218799135360).

203011233101012 is an abundant number, since it is smaller than the sum of its proper divisors (229426365169708).

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

203011233101012 is a wasteful number, since it uses less digits than its factorization.

203011233101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265041 (or 265039 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 203011233101012 its reverse (210101332110302), we get a palindrome (413112565211314).

The spelling of 203011233101012 in words is "two hundred three trillion, eleven billion, two hundred thirty-three million, one hundred one thousand, twelve".