42421212303 has 32 divisors (see below), whose sum is σ = 58640136192. Its totient is φ = 27260688000.

The previous prime is 42421212299. The next prime is 42421212313. The reversal of 42421212303 is 30321212424.

It is a happy number.

It is not a de Polignac number, because 42421212303 - 2² = 42421212299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42421212313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4125058 + ... + 4135328.

It is an arithmetic number, because the mean of its divisors is an integer number (1832504256).

Almost surely, 2^42421212303 is an apocalyptic number.

42421212303 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42421212303 is a deficient number, since it is larger than the sum of its proper divisors (16218923889).

42421212303 is a wasteful number, since it uses less digits than its factorization.

42421212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42421212303 its reverse (30321212424), we get a palindrome (72742424727).

It can be divided in two parts, 4242121 and 2303, that added together give a palindrome (4244424).

The spelling of 42421212303 in words is "forty-two billion, four hundred twenty-one million, two hundred twelve thousand, three hundred three".