501345133253412 has 48 divisors (see below), whose sum is σ = 1365365469296640. Its totient is φ = 140193775863072.

The previous prime is 501345133253353. The next prime is 501345133253431. The reversal of 501345133253412 is 214352331543105.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63493553962 + ... + 63493561857.

It is an arithmetic number, because the mean of its divisors is an integer number (28445113943680).

Almost surely, 2^{501345133253412} is an apocalyptic number.

It is an amenable number.

501345133253412 is an abundant number, since it is smaller than the sum of its proper divisors (864020336043228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501345133253412 is a wasteful number, since it uses less digits than its factorization.

501345133253412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126987115880 (or 126987115878 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 501345133253412 its reverse (214352331543105), we get a palindrome (715697464796517).

The spelling of 501345133253412 in words is "five hundred one trillion, three hundred forty-five billion, one hundred thirty-three million, two hundred fifty-three thousand, four hundred twelve".