42251522312 has 32 divisors (see below), whose sum is σ = 80427301920. Its totient is φ = 20804424960.

The previous prime is 42251522297. The next prime is 42251522317. The reversal of 42251522312 is 21322515224.

It is a happy number.

It is a super-2 number, since 2×42251522312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42251522317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263883 + ... + 2282469.

It is an arithmetic number, because the mean of its divisors is an integer number (2513353185).

Almost surely, 2^42251522312 is an apocalyptic number.

It is an amenable number.

42251522312 is a deficient number, since it is larger than the sum of its proper divisors (38175779608).

42251522312 is a wasteful number, since it uses less digits than its factorization.

42251522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22901 (or 22897 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The spelling of 42251522312 in words is "forty-two billion, two hundred fifty-one million, five hundred twenty-two thousand, three hundred twelve".