121452200203 has 2 divisors, whose sum is σ = 121452200204. Its totient is φ = 121452200202.

The previous prime is 121452200183. The next prime is 121452200279. The reversal of 121452200203 is 302002254121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121452200203 - 2⁵ = 121452200171 is a prime.

It is not a weakly prime, because it can be changed into another prime (121452200503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726100101 + 60726100102.

It is an arithmetic number, because the mean of its divisors is an integer number (60726100102).

Almost surely, 2^121452200203 is an apocalyptic number.

121452200203 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452200203 is an equidigital number, since it uses as much as digits as its factorization.

121452200203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 121452200203 its reverse (302002254121), we get a palindrome (423454454324).

The spelling of 121452200203 in words is "one hundred twenty-one billion, four hundred fifty-two million, two hundred thousand, two hundred three".