50221312231012 has 12 divisors (see below), whose sum is σ = 94647857666236. Its totient is φ = 23179067183520.

The previous prime is 50221312230923. The next prime is 50221312231021. The reversal of 50221312231012 is 21013221312205.

It can be written as a sum of positive squares in 2 ways, for example, as 29183073362496 + 21038238868516 = 5402136^2 + 4586746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482897232939 + ... + 482897233042.

Almost surely, 2^{50221312231012} is an apocalyptic number.

50221312231012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50221312231012 is a deficient number, since it is larger than the sum of its proper divisors (44426545435224).

50221312231012 is a wasteful number, since it uses less digits than its factorization.

50221312231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965794465998 (or 965794465996 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 50221312231012 its reverse (21013221312205), we get a palindrome (71234533543217).

The spelling of 50221312231012 in words is "fifty trillion, two hundred twenty-one billion, three hundred twelve million, two hundred thirty-one thousand, twelve".