1003013121210 has 64 divisors (see below), whose sum is σ = 2441946648960. Its totient is φ = 263618150400.

The previous prime is 1003013121139. The next prime is 1003013121221. The reversal of 1003013121210 is 121213103001.

It is a happy number.

1003013121210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003013121210.

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, 2923185 + ... + 3248235.

It is an arithmetic number, because the mean of its divisors is an integer number (38155416390).

Almost surely, 2^{1003013121210} is an apocalyptic number.

1003013121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003013121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220973324480).

1003013121210 is an abundant number, since it is smaller than the sum of its proper divisors (1438933527750).

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

1003013121210 is a wasteful number, since it uses less digits than its factorization.

1003013121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326543.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1003013121210 its reverse (121213103001), we get a palindrome (1124226224211).

The spelling of 1003013121210 in words is "one trillion, three billion, thirteen million, one hundred twenty-one thousand, two hundred ten".