505435116212 has 24 divisors (see below), whose sum is σ = 958943769000. Its totient is φ = 231712119936.

The previous prime is 505435116211. The next prime is 505435116217. The reversal of 505435116212 is 212611534505.

It can be written as a sum of positive squares in 4 ways, for example, as 1272634276 + 504162481936 = 35674^2 + 710044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505435116211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32609387 + ... + 32624882.

It is an arithmetic number, because the mean of its divisors is an integer number (39955990375).

Almost surely, 2^505435116212 is an apocalyptic number.

505435116212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505435116212 is a deficient number, since it is larger than the sum of its proper divisors (453508652788).

505435116212 is a wasteful number, since it uses less digits than its factorization.

505435116212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65234435 (or 65234433 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 505435116212 in words is "five hundred five billion, four hundred thirty-five million, one hundred sixteen thousand, two hundred twelve".