503212110051 has 12 divisors (see below), whose sum is σ = 780492252552. Its totient is φ = 287549777088.

The previous prime is 503212110031. The next prime is 503212110053. The reversal of 503212110051 is 150011212305.

It is not a de Polignac number, because 503212110051 - 2⁹ = 503212109539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (503212110053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711605670 + ... + 1711605963.

It is an arithmetic number, because the mean of its divisors is an integer number (65041021046).

Almost surely, 2^503212110051 is an apocalyptic number.

503212110051 is a deficient number, since it is larger than the sum of its proper divisors (277280142501).

503212110051 is a wasteful number, since it uses less digits than its factorization.

503212110051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423211650 (or 3423211643 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 503212110051 its reverse (150011212305), we get a palindrome (653223322356).

The spelling of 503212110051 in words is "five hundred three billion, two hundred twelve million, one hundred ten thousand, fifty-one".