501140225403212 has 12 divisors (see below), whose sum is σ = 893542477370256. Its totient is φ = 245842374726000.

The previous prime is 501140225403161. The next prime is 501140225403217. The reversal of 501140225403212 is 212304522041105.

It is a super-2 number, since 2×501140225403212² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501140225403217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181934493664 + ... + 1181934494087.

It is an arithmetic number, because the mean of its divisors is an integer number (74461873114188).

Almost surely, 2^{501140225403212} is an apocalyptic number.

It is an amenable number.

501140225403212 is a deficient number, since it is larger than the sum of its proper divisors (392402251967044).

501140225403212 is a wasteful number, since it uses less digits than its factorization.

501140225403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363868987808 (or 2363868987806 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 501140225403212 its reverse (212304522041105), we get a palindrome (713444747444317).

The spelling of 501140225403212 in words is "five hundred one trillion, one hundred forty billion, two hundred twenty-five million, four hundred three thousand, two hundred twelve".