122401422120520 has 64 divisors (see below), whose sum is σ = 280253094834240. Its totient is φ = 48105766176000.

The previous prime is 122401422120479. The next prime is 122401422120613. The reversal of 122401422120520 is 25021224104221.

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, 115109622 + ... + 116168101.

It is an arithmetic number, because the mean of its divisors is an integer number (4378954606785).

Almost surely, 2^{122401422120520} is an apocalyptic number.

122401422120520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122401422120520 is an abundant number, since it is smaller than the sum of its proper divisors (157851672713720).

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

122401422120520 is a wasteful number, since it uses less digits than its factorization.

122401422120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231277966 (or 231277962 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 122401422120520 its reverse (25021224104221), we get a palindrome (147422646224741).

The spelling of 122401422120520 in words is "one hundred twenty-two trillion, four hundred one billion, four hundred twenty-two million, one hundred twenty thousand, five hundred twenty".