1003231212001 has 8 divisors (see below), whose sum is σ = 1018450980360. Its totient is φ = 988099166208.

The previous prime is 1003231211987. The next prime is 1003231212013. The reversal of 1003231212001 is 1002121323001.

It can be written as a sum of positive squares in 4 ways, for example, as 346831477776 + 656399734225 = 588924^2 + 810185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003231212001 - 2¹³ = 1003231203809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003231212601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21907596 + ... + 21953341.

It is an arithmetic number, because the mean of its divisors is an integer number (127306372545).

Almost surely, 2^{1003231212001} is an apocalyptic number.

It is an amenable number.

1003231212001 is a deficient number, since it is larger than the sum of its proper divisors (15219768359).

1003231212001 is an equidigital number, since it uses as much as digits as its factorization.

1003231212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43861283.

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

Adding to 1003231212001 its reverse (1002121323001), we get a palindrome (2005352535002).

The spelling of 1003231212001 in words is "one trillion, three billion, two hundred thirty-one million, two hundred twelve thousand, one".