203012320010010 has 256 divisors, whose sum is σ = 574652000517120. Its totient is φ = 44930509332480.

The previous prime is 203012320009949. The next prime is 203012320010023. The reversal of 203012320010010 is 10010023210302.

It is a super-3 number, since 3×203012320010010³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1766972646 + ... + 1767087534.

It is an arithmetic number, because the mean of its divisors is an integer number (2244734377020).

Almost surely, 2^{203012320010010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203012320010010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287326000258560).

203012320010010 is an abundant number, since it is smaller than the sum of its proper divisors (371639680507110).

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

203012320010010 is a wasteful number, since it uses less digits than its factorization.

203012320010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116041.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203012320010010 its reverse (10010023210302), we get a palindrome (213022343220312).

The spelling of 203012320010010 in words is "two hundred three trillion, twelve billion, three hundred twenty million, ten thousand, ten".