42122253245 has 16 divisors (see below), whose sum is σ = 53256483072. Its totient is φ = 31919733120.

The previous prime is 42122253233. The next prime is 42122253247. The reversal of 42122253245 is 54235222124.

It is not a de Polignac number, because 42122253245 - 2⁸ = 42122252989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42122253247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1766216 + ... + 1789905.

It is an arithmetic number, because the mean of its divisors is an integer number (3328530192).

Almost surely, 2^42122253245 is an apocalyptic number.

It is an amenable number.

42122253245 is a deficient number, since it is larger than the sum of its proper divisors (11134229827).

42122253245 is a wasteful number, since it uses less digits than its factorization.

42122253245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556252.

The product of its digits is 38400, while the sum is 32.

Adding to 42122253245 its reverse (54235222124), we get a palindrome (96357475369).

The spelling of 42122253245 in words is "forty-two billion, one hundred twenty-two million, two hundred fifty-three thousand, two hundred forty-five".