512121025330 has 64 divisors (see below), whose sum is σ = 933022935936. Its totient is φ = 202378176000.

The previous prime is 512121025321. The next prime is 512121025333. The reversal of 512121025330 is 33520121215.

It is a junction number, because it is equal to n+sod(n) for n = 512121025295 and 512121025304.

It is not an unprimeable number, because it can be changed into a prime (512121025333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187520065 + ... + 187522795.

It is an arithmetic number, because the mean of its divisors is an integer number (14578483374).

Almost surely, 2^512121025330 is an apocalyptic number.

512121025330 is a deficient number, since it is larger than the sum of its proper divisors (420901910606).

512121025330 is a wasteful number, since it uses less digits than its factorization.

512121025330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 512121025330 its reverse (33520121215), we get a palindrome (545641146545).

The spelling of 512121025330 in words is "five hundred twelve billion, one hundred twenty-one million, twenty-five thousand, three hundred thirty".