40121142203 has 2 divisors, whose sum is σ = 40121142204. Its totient is φ = 40121142202.

The previous prime is 40121142167. The next prime is 40121142209. The reversal of 40121142203 is 30224112104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40121142203 is a prime.

It is not a weakly prime, because it can be changed into another prime (40121142209) 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, 20060571101 + 20060571102.

It is an arithmetic number, because the mean of its divisors is an integer number (20060571102).

Almost surely, 2^40121142203 is an apocalyptic number.

40121142203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40121142203 is an equidigital number, since it uses as much as digits as its factorization.

40121142203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40121142203 its reverse (30224112104), we get a palindrome (70345254307).

The spelling of 40121142203 in words is "forty billion, one hundred twenty-one million, one hundred forty-two thousand, two hundred three".