5213121050 has 24 divisors (see below), whose sum is σ = 9698308956. Its totient is φ = 2084839040.

The previous prime is 5213121007. The next prime is 5213121071. The reversal of 5213121050 is 501213125.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2420738401 + 2792382649 = 49201^2 + 52843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471182 + ... + 482118.

Almost surely, 2^5213121050 is an apocalyptic number.

5213121050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5213121050 is a deficient number, since it is larger than the sum of its proper divisors (4485187906).

5213121050 is a wasteful number, since it uses less digits than its factorization.

5213121050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20482 (or 20477 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 5213121050 is about 72201.9463034065. The cubic root of 5213121050 is about 1733.9341619840.

Adding to 5213121050 its reverse (501213125), we get a palindrome (5714334175).

The spelling of 5213121050 in words is "five billion, two hundred thirteen million, one hundred twenty-one thousand, fifty".