50121517220001 has 48 divisors (see below), whose sum is σ = 77011440405120. Its totient is φ = 31303438594560.

The previous prime is 50121517219997. The next prime is 50121517220023. The reversal of 50121517220001 is 10002271512105.

50121517220001 is a `hidden beast` number, since 5 + 0 + 121 + 517 + 2 + 20 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 50121517220001 - 2² = 50121517219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50121517224001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32993506 + ... + 34479188.

It is an arithmetic number, because the mean of its divisors is an integer number (1604405008440).

Almost surely, 2^{50121517220001} is an apocalyptic number.

50121517220001 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

50121517220001 is a deficient number, since it is larger than the sum of its proper divisors (26889923185119).

50121517220001 is a wasteful number, since it uses less digits than its factorization.

50121517220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486726 (or 1486723 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 50121517220001 its reverse (10002271512105), we get a palindrome (60123788732106).

The spelling of 50121517220001 in words is "fifty trillion, one hundred twenty-one billion, five hundred seventeen million, two hundred twenty thousand, one".