122421503052 has 36 divisors (see below), whose sum is σ = 309746114496. Its totient is φ = 40768693920.

The previous prime is 122421503051. The next prime is 122421503063. The reversal of 122421503052 is 250305124221.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (122421503051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564348 + ... + 1640739.

It is an arithmetic number, because the mean of its divisors is an integer number (8604058736).

Almost surely, 2^122421503052 is an apocalyptic number.

122421503052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122421503052 is an abundant number, since it is smaller than the sum of its proper divisors (187324611444).

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

122421503052 is a wasteful number, since it uses less digits than its factorization.

122421503052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206158 (or 3206153 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 122421503052 its reverse (250305124221), we get a palindrome (372726627273).

The spelling of 122421503052 in words is "one hundred twenty-two billion, four hundred twenty-one million, five hundred three thousand, fifty-two".