5121012 has 48 divisors (see below), whose sum is σ = 13632192. Its totient is φ = 1482240.

The previous prime is 5121007. The next prime is 5121031. The reversal of 5121012 is 2101215.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (284004).

Almost surely, 2^5121012 is an apocalyptic number.

5121012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5121012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6816096).

5121012 is an abundant number, since it is smaller than the sum of its proper divisors (8511180).

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

5121012 is a wasteful number, since it uses less digits than its factorization.

5121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 5121012 is about 2262.9653112675. The cubic root of 5121012 is about 172.3661301206.

Adding to 5121012 its reverse (2101215), we get a palindrome (7222227).

The spelling of 5121012 in words is "five million, one hundred twenty-one thousand, twelve".