2003121131234 has 4 divisors (see below), whose sum is σ = 3004681696854. Its totient is φ = 1001560565616.

The previous prime is 2003121131213. The next prime is 2003121131293. The reversal of 2003121131234 is 4321311213002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1930023898009 + 73097233225 = 1389253^2 + 270365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500780282807 + ... + 500780282810.

Almost surely, 2^{2003121131234} is an apocalyptic number.

2003121131234 is a deficient number, since it is larger than the sum of its proper divisors (1001560565620).

2003121131234 is a wasteful number, since it uses less digits than its factorization.

2003121131234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001560565619.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2003121131234 its reverse (4321311213002), we get a palindrome (6324432344236).

The spelling of 2003121131234 in words is "two trillion, three billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty-four".