1003012320121 has 32 divisors (see below), whose sum is σ = 1239007373568. Its totient is φ = 792359393280.

The previous prime is 1003012320113. The next prime is 1003012320137. The reversal of 1003012320121 is 1210232103001.

1003012320121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1003012320121 - 2³ = 1003012320113 is a prime.

It is a super-2 number, since 2×1003012320121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003012320095 and 1003012320104.

It is not an unprimeable number, because it can be changed into a prime (1003012320421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3133326 + ... + 3438568.

It is an arithmetic number, because the mean of its divisors is an integer number (38718980424).

Almost surely, 2^{1003012320121} is an apocalyptic number.

It is an amenable number.

1003012320121 is a deficient number, since it is larger than the sum of its proper divisors (235995053447).

1003012320121 is a wasteful number, since it uses less digits than its factorization.

1003012320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305841.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1003012320121 its reverse (1210232103001), we get a palindrome (2213244423122).

The spelling of 1003012320121 in words is "one trillion, three billion, twelve million, three hundred twenty thousand, one hundred twenty-one".