501000412231 has 16 divisors (see below), whose sum is σ = 583898232960. Its totient is φ = 425043542880.

The previous prime is 501000412217. The next prime is 501000412259. The reversal of 501000412231 is 132214000105.

It is not a de Polignac number, because 501000412231 - 2¹³ = 501000404039 is a prime.

It is a super-2 number, since 2×501000412231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 501000412199 and 501000412208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501000422231) 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, 17875036 + ... + 17903041.

It is an arithmetic number, because the mean of its divisors is an integer number (36493639560).

Almost surely, 2^501000412231 is an apocalyptic number.

501000412231 is a deficient number, since it is larger than the sum of its proper divisors (82897820729).

501000412231 is a wasteful number, since it uses less digits than its factorization.

501000412231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35778174.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 501000412231 its reverse (132214000105), we get a palindrome (633214412336).

The spelling of 501000412231 in words is "five hundred one billion, four hundred twelve thousand, two hundred thirty-one".