5123012412 has 96 divisors (see below), whose sum is σ = 13802890752. Its totient is φ = 1448637696.

The previous prime is 5123012381. The next prime is 5123012423. The reversal of 5123012412 is 2142103215.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 4011118 + ... + 4012394.

It is an arithmetic number, because the mean of its divisors is an integer number (143780112).

Almost surely, 2^5123012412 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 5123012412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6901445376).

5123012412 is an abundant number, since it is smaller than the sum of its proper divisors (8679878340).

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

5123012412 is a wasteful number, since it uses less digits than its factorization.

5123012412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5123012412 is about 71575.2220534453. Note that the first 3 decimals coincide. The cubic root of 5123012412 is about 1723.8857089264.

Adding to 5123012412 its reverse (2142103215), we get a palindrome (7265115627).

The spelling of 5123012412 in words is "five billion, one hundred twenty-three million, twelve thousand, four hundred twelve".