812486294501 has 16 divisors (see below), whose sum is σ = 947545728000. Its totient is φ = 696387538224.

The previous prime is 812486294441. The next prime is 812486294509. The reversal of 812486294501 is 105492684218.

It is not a de Polignac number, because 812486294501 - 2¹⁴ = 812486278117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 812486294501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812486294509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13425356 + ... + 13485738.

It is an arithmetic number, because the mean of its divisors is an integer number (59221608000).

Almost surely, 2^812486294501 is an apocalyptic number.

It is an amenable number.

812486294501 is a deficient number, since it is larger than the sum of its proper divisors (135059433499).

812486294501 is an equidigital number, since it uses as much as digits as its factorization.

812486294501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99633 (or 99619 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 812486294501 in words is "eight hundred twelve billion, four hundred eighty-six million, two hundred ninety-four thousand, five hundred one".