1330121231003 has 4 divisors (see below), whose sum is σ = 1330123540128. Its totient is φ = 1330118921880.

The previous prime is 1330121230993. The next prime is 1330121231009. The reversal of 1330121231003 is 3001321210331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1330121231003 - 2²⁴ = 1330104453787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330121231009) 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, 496613 + ... + 1704953.

It is an arithmetic number, because the mean of its divisors is an integer number (332530885032).

Almost surely, 2^{1330121231003} is an apocalyptic number.

1330121231003 is a deficient number, since it is larger than the sum of its proper divisors (2309125).

1330121231003 is a wasteful number, since it uses less digits than its factorization.

1330121231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309124.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1330121231003 its reverse (3001321210331), we get a palindrome (4331442441334).

The spelling of 1330121231003 in words is "one trillion, three hundred thirty billion, one hundred twenty-one million, two hundred thirty-one thousand, three".