505421614012 has 24 divisors (see below), whose sum is σ = 1011038323680.
Its totient is φ = 216567456960.
The previous prime is 505421614003. The next prime is 505421614013. The reversal of 505421614012 is 210416124505.
It is a happy number.
It is a super-2 number, since 2×5054216140122 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (505421614013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594039 + ... + 1884622.
It is an arithmetic number, because the mean of its divisors is an integer number (42126596820).
Almost surely, 2505421614012 is an apocalyptic number.
It is an amenable number.
505421614012 is an abundant number, since it is smaller than the sum of its proper divisors (505616709668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
505421614012 is a wasteful number, since it uses less digits than its factorization.
505421614012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3483861 (or 3483859 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 31.
Adding to 505421614012 its reverse (210416124505), we get a palindrome (715837738517).
The spelling of 505421614012 in words is "five hundred five billion, four hundred twenty-one million, six hundred fourteen thousand, twelve".