5162121000 has 96 divisors (see below), whose sum is σ = 17447999400. Its totient is φ = 1376563200.

The previous prime is 5162120993. The next prime is 5162121011. The reversal of 5162121000 is 1212615.

It can be written as a sum of positive squares in 4 ways, for example, as 358799364 + 4803321636 = 18942^2 + 69306^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277785 + ... + 295784.

Almost surely, 2^5162121000 is an apocalyptic number.

5162121000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5162121000 is an abundant number, since it is smaller than the sum of its proper divisors (12285878400).

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

5162121000 is a wasteful number, since it uses less digits than its factorization.

5162121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573596 (or 573579 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 5162121000 is about 71847.9018482795. The cubic root of 5162121000 is about 1728.2612532594.

Adding to 5162121000 its reverse (1212615), we get a palindrome (5163333615).

The spelling of 5162121000 in words is "five billion, one hundred sixty-two million, one hundred twenty-one thousand".