501340422212 has 48 divisors (see below), whose sum is σ = 1023517353600. Its totient is φ = 214781718816.

The previous prime is 501340422211. The next prime is 501340422239. The reversal of 501340422212 is 212224043105.

It is not an unprimeable number, because it can be changed into a prime (501340422211) 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, 3772163 + ... + 3902805.

It is an arithmetic number, because the mean of its divisors is an integer number (21323278200).

Almost surely, 2^501340422212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501340422212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511758676800).

501340422212 is an abundant number, since it is smaller than the sum of its proper divisors (522176931388).

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

501340422212 is a wasteful number, since it uses less digits than its factorization.

501340422212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133465 (or 133449 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 501340422212 its reverse (212224043105), we get a palindrome (713564465317).

The spelling of 501340422212 in words is "five hundred one billion, three hundred forty million, four hundred twenty-two thousand, two hundred twelve".