42121001232303 has 24 divisors (see below), whose sum is σ = 66401524874160. Its totient is φ = 23674567432320.

The previous prime is 42121001232301. The next prime is 42121001232361. The reversal of 42121001232303 is 30323210012124.

It is not a de Polignac number, because 42121001232303 - 2¹ = 42121001232301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42121001232301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2348658438 + ... + 2348676371.

It is an arithmetic number, because the mean of its divisors is an integer number (2766730203090).

Almost surely, 2^{42121001232303} is an apocalyptic number.

42121001232303 is a deficient number, since it is larger than the sum of its proper divisors (24280523641857).

42121001232303 is a wasteful number, since it uses less digits than its factorization.

42121001232303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697334887 (or 4697334880 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 42121001232303 its reverse (30323210012124), we get a palindrome (72444211244427).

The spelling of 42121001232303 in words is "forty-two trillion, one hundred twenty-one billion, one million, two hundred thirty-two thousand, three hundred three".