121231010003 has 8 divisors (see below), whose sum is σ = 121460118000. Its totient is φ = 121002077088.

The previous prime is 121231009993. The next prime is 121231010039. The reversal of 121231010003 is 300010132121.

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 121231010003 - 2²⁴ = 121214232787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121231010003.

It is not an unprimeable number, because it can be changed into a prime (121231010083) 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, 1386188 + ... + 1471046.

It is an arithmetic number, because the mean of its divisors is an integer number (15182514750).

Almost surely, 2^121231010003 is an apocalyptic number.

121231010003 is a deficient number, since it is larger than the sum of its proper divisors (229107997).

121231010003 is an equidigital number, since it uses as much as digits as its factorization.

121231010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87541.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121231010003 its reverse (300010132121), we get a palindrome (421241142124).

The spelling of 121231010003 in words is "one hundred twenty-one billion, two hundred thirty-one million, ten thousand, three".