5112345420 has 216 divisors, whose sum is σ = 19427348304. Its totient is φ = 1078624512.

The previous prime is 5112345367. The next prime is 5112345461. The reversal of 5112345420 is 245432115.

5112345420 is a `hidden beast` number, since 5 + 1 + 1 + 234 + 5 + 420 = 666.

It is a super-2 number, since 2×5112345420² = 52272151386789952800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 92367 + ... + 136953.

Almost surely, 2^5112345420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5112345420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9713674152).

5112345420 is an abundant number, since it is smaller than the sum of its proper divisors (14315002884).

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

5112345420 is a wasteful number, since it uses less digits than its factorization.

5112345420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44629 (or 44617 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5112345420 is about 71500.6672696136. The cubic root of 5112345420 is about 1722.6884021361.

Adding to 5112345420 its reverse (245432115), we get a palindrome (5357777535).

The spelling of 5112345420 in words is "five billion, one hundred twelve million, three hundred forty-five thousand, four hundred twenty".