511212446230 has 16 divisors (see below), whose sum is σ = 930521532960. Its totient is φ = 202187394112.

The previous prime is 511212446221. The next prime is 511212446299. The reversal of 511212446230 is 32644212115.

It is a super-2 number, since 2×511212446230² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511212446192 and 511212446201.

It is a congruent number.

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, 287197114 + ... + 287198893.

It is an arithmetic number, because the mean of its divisors is an integer number (58157595810).

Almost surely, 2^511212446230 is an apocalyptic number.

511212446230 is a deficient number, since it is larger than the sum of its proper divisors (419309086730).

511212446230 is a wasteful number, since it uses less digits than its factorization.

511212446230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574396103.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 511212446230 its reverse (32644212115), we get a palindrome (543856658345).

The spelling of 511212446230 in words is "five hundred eleven billion, two hundred twelve million, four hundred forty-six thousand, two hundred thirty".