501454542212 has 12 divisors (see below), whose sum is σ = 945048945036. Its totient is φ = 231440557920.

The previous prime is 501454542209. The next prime is 501454542271. The reversal of 501454542212 is 212245454105.

It can be written as a sum of positive squares in 2 ways, for example, as 67036459396 + 434418082816 = 258914^2 + 659104^2 .

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, 4821678239 + ... + 4821678342.

It is an arithmetic number, because the mean of its divisors is an integer number (78754078753).

Almost surely, 2^501454542212 is an apocalyptic number.

501454542212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

501454542212 is a deficient number, since it is larger than the sum of its proper divisors (443594402824).

501454542212 is a wasteful number, since it uses less digits than its factorization.

501454542212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643356598 (or 9643356596 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 501454542212 its reverse (212245454105), we get a palindrome (713699996317).

The spelling of 501454542212 in words is "five hundred one billion, four hundred fifty-four million, five hundred forty-two thousand, two hundred twelve".