45121232203 has 2 divisors, whose sum is σ = 45121232204. Its totient is φ = 45121232202.

The previous prime is 45121232201. The next prime is 45121232263. The reversal of 45121232203 is 30223212154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45121232203 - 2¹ = 45121232201 is a prime.

Together with 45121232201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45121232201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22560616101 + 22560616102.

It is an arithmetic number, because the mean of its divisors is an integer number (22560616102).

Almost surely, 2^45121232203 is an apocalyptic number.

45121232203 is a deficient number, since it is larger than the sum of its proper divisors (1).

45121232203 is an equidigital number, since it uses as much as digits as its factorization.

45121232203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 45121232203 its reverse (30223212154), we get a palindrome (75344444357).

The spelling of 45121232203 in words is "forty-five billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred three".