512551222052 has 24 divisors (see below), whose sum is σ = 951065099040. Its totient is φ = 241015245120.

The previous prime is 512551222019. The next prime is 512551222067. The reversal of 512551222052 is 250222155215.

It is a super-2 number, since 2×512551222052² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24603074 + ... + 24623897.

It is an arithmetic number, because the mean of its divisors is an integer number (39627712460).

Almost surely, 2^512551222052 is an apocalyptic number.

It is an amenable number.

512551222052 is a deficient number, since it is larger than the sum of its proper divisors (438513876988).

512551222052 is a wasteful number, since it uses less digits than its factorization.

512551222052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49227131 (or 49227129 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 512551222052 its reverse (250222155215), we get a palindrome (762773377267).

The spelling of 512551222052 in words is "five hundred twelve billion, five hundred fifty-one million, two hundred twenty-two thousand, fifty-two".