121230443003 has 2 divisors, whose sum is σ = 121230443004. Its totient is φ = 121230443002.

The previous prime is 121230442973. The next prime is 121230443011. The reversal of 121230443003 is 300344032121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121230443003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121230443003.

It is not a weakly prime, because it can be changed into another prime (121230443023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615221501 + 60615221502.

It is an arithmetic number, because the mean of its divisors is an integer number (60615221502).

Almost surely, 2^121230443003 is an apocalyptic number.

121230443003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121230443003 is an equidigital number, since it uses as much as digits as its factorization.

121230443003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121230443003 its reverse (300344032121), we get a palindrome (421574475124).

The spelling of 121230443003 in words is "one hundred twenty-one billion, two hundred thirty million, four hundred forty-three thousand, three".