5212421124 has 12 divisors (see below), whose sum is σ = 12162315984. Its totient is φ = 1737473704.

The previous prime is 5212421113. The next prime is 5212421131. The reversal of 5212421124 is 4211242125.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 5212421094 and 5212421103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217184202 + ... + 217184225.

It is an arithmetic number, because the mean of its divisors is an integer number (1013526332).

Almost surely, 2^5212421124 is an apocalyptic number.

It is an amenable number.

5212421124 is an abundant number, since it is smaller than the sum of its proper divisors (6949894860).

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

5212421124 is a wasteful number, since it uses less digits than its factorization.

5212421124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434368434 (or 434368432 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 5212421124 is about 72197.0991384003. The cubic root of 5212421124 is about 1733.8565578061.

Adding to 5212421124 its reverse (4211242125), we get a palindrome (9423663249).

The spelling of 5212421124 in words is "five billion, two hundred twelve million, four hundred twenty-one thousand, one hundred twenty-four".