512211525442 has 16 divisors (see below), whose sum is σ = 776910557952. Its totient is φ = 253247785200.

The previous prime is 512211525439. The next prime is 512211525503. The reversal of 512211525442 is 244525112215.

It is a super-3 number, since 3×512211525442³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 512211525398 and 512211525407.

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, 1452018 + ... + 1769965.

It is an arithmetic number, because the mean of its divisors is an integer number (48556909872).

Almost surely, 2^512211525442 is an apocalyptic number.

512211525442 is a deficient number, since it is larger than the sum of its proper divisors (264699032510).

512211525442 is a wasteful number, since it uses less digits than its factorization.

512211525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222873.

The product of its digits is 32000, while the sum is 34.

Adding to 512211525442 its reverse (244525112215), we get a palindrome (756736637657).

The spelling of 512211525442 in words is "five hundred twelve billion, two hundred eleven million, five hundred twenty-five thousand, four hundred forty-two".