505212043412 has 12 divisors (see below), whose sum is σ = 930653764320. Its totient is φ = 239310967896.

The previous prime is 505212043361. The next prime is 505212043423. The reversal of 505212043412 is 214340212505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323763368 + ... + 3323763519.

It is an arithmetic number, because the mean of its divisors is an integer number (77554480360).

Almost surely, 2^505212043412 is an apocalyptic number.

It is an amenable number.

505212043412 is a deficient number, since it is larger than the sum of its proper divisors (425441720908).

505212043412 is a wasteful number, since it uses less digits than its factorization.

505212043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647526910 (or 6647526908 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 505212043412 its reverse (214340212505), we get a palindrome (719552255917).

The spelling of 505212043412 in words is "five hundred five billion, two hundred twelve million, forty-three thousand, four hundred twelve".