122512300220 has 24 divisors (see below), whose sum is σ = 257767775664. Its totient is φ = 48911216256.

The previous prime is 122512300217. The next prime is 122512300241. The reversal of 122512300220 is 22003215221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122512300192 and 122512300201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5845769 + ... + 5866688.

It is an arithmetic number, because the mean of its divisors is an integer number (10740323986).

Almost surely, 2^122512300220 is an apocalyptic number.

122512300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122512300220 is an abundant number, since it is smaller than the sum of its proper divisors (135255475444).

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

122512300220 is a wasteful number, since it uses less digits than its factorization.

122512300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712989 (or 11712987 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 122512300220 its reverse (22003215221), we get a palindrome (144515515441).

The spelling of 122512300220 in words is "one hundred twenty-two billion, five hundred twelve million, three hundred thousand, two hundred twenty".