121201012003 has 2 divisors, whose sum is σ = 121201012004. Its totient is φ = 121201012002.

The previous prime is 121201011949. The next prime is 121201012063. The reversal of 121201012003 is 300210102121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121201012003 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201012063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600506001 + 60600506002.

It is an arithmetic number, because the mean of its divisors is an integer number (60600506002).

Almost surely, 2^121201012003 is an apocalyptic number.

121201012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201012003 is an equidigital number, since it uses as much as digits as its factorization.

121201012003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121201012003 its reverse (300210102121), we get a palindrome (421411114124).

The spelling of 121201012003 in words is "one hundred twenty-one billion, two hundred one million, twelve thousand, three".