1013203123010 has 64 divisors (see below), whose sum is σ = 2028112128000. Its totient is φ = 361912803840.

The previous prime is 1013203123003. The next prime is 1013203123027. The reversal of 1013203123010 is 103213023101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013203123010.

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, 12044054 + ... + 12127886.

It is an arithmetic number, because the mean of its divisors is an integer number (31689252000).

Almost surely, 2^{1013203123010} is an apocalyptic number.

1013203123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013203123010 is an abundant number, since it is smaller than the sum of its proper divisors (1014909004990).

1013203123010 is a wasteful number, since it uses less digits than its factorization.

1013203123010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86883.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1013203123010 its reverse (103213023101), we get a palindrome (1116416146111).

Subtracting from 1013203123010 its reverse (103213023101), we obtain a palindrome (909990099909).

The spelling of 1013203123010 in words is "one trillion, thirteen billion, two hundred three million, one hundred twenty-three thousand, ten".