5212181420 has 24 divisors (see below), whose sum is σ = 11084136000. Its totient is φ = 2058481152.

The previous prime is 5212181393. The next prime is 5212181431. The reversal of 5212181420 is 241812125.

It is a self number, because there is not a number n which added to its sum of digits gives 5212181420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647845 + ... + 1651004.

It is an arithmetic number, because the mean of its divisors is an integer number (461839000).

Almost surely, 2^5212181420 is an apocalyptic number.

It is an amenable number.

5212181420 is an abundant number, since it is smaller than the sum of its proper divisors (5871954580).

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

5212181420 is a wasteful number, since it uses less digits than its factorization.

5212181420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298937 (or 3298935 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 5212181420 is about 72195.4390526161. The cubic root of 5212181420 is about 1733.8299790683.

Adding to 5212181420 its reverse (241812125), we get a palindrome (5453993545).

The spelling of 5212181420 in words is "five billion, two hundred twelve million, one hundred eighty-one thousand, four hundred twenty".