52420134522312 has 48 divisors (see below), whose sum is σ = 141977933779500. Its totient is φ = 17472549113856.

The previous prime is 52420134522289. The next prime is 52420134522341. The reversal of 52420134522312 is 21322543102425.

52420134522312 is a `hidden beast` number, since 5 + 2 + 420 + 1 + 3 + 4 + 5 + 223 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33400470310596 + 19019664211716 = 5779314^2 + 4361154^2 .

It is a super-4 number, since 4×52420134522312⁴ (a number of 56 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15743137 + ... + 18779952.

Almost surely, 2^{52420134522312} is an apocalyptic number.

It is an amenable number.

52420134522312 is an abundant number, since it is smaller than the sum of its proper divisors (89557799257188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52420134522312 is a wasteful number, since it uses less digits than its factorization.

52420134522312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34544190 (or 34544183 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 52420134522312 its reverse (21322543102425), we get a palindrome (73742677624737).

The spelling of 52420134522312 in words is "fifty-two trillion, four hundred twenty billion, one hundred thirty-four million, five hundred twenty-two thousand, three hundred twelve".