1003221030012 has 12 divisors (see below), whose sum is σ = 2340849070056. Its totient is φ = 334407010000.

The previous prime is 1003221029977. The next prime is 1003221030013. The reversal of 1003221030012 is 2100301223001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1003221029973 and 1003221030000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003221030013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41800876239 + ... + 41800876262.

It is an arithmetic number, because the mean of its divisors is an integer number (195070755838).

Almost surely, 2^{1003221030012} is an apocalyptic number.

1003221030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003221030012 is an abundant number, since it is smaller than the sum of its proper divisors (1337628040044).

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

1003221030012 is a wasteful number, since it uses less digits than its factorization.

1003221030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83601752508 (or 83601752506 counting only the distinct ones).

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

Adding to 1003221030012 its reverse (2100301223001), we get a palindrome (3103522253013).

The spelling of 1003221030012 in words is "one trillion, three billion, two hundred twenty-one million, thirty thousand, twelve".