122020001101220 has 24 divisors (see below), whose sum is σ = 256242211433208. Its totient is φ = 48807960608000.

The previous prime is 122020001101171. The next prime is 122020001101231. The reversal of 122020001101220 is 22101100020221.

It can be written as a sum of positive squares in 4 ways, for example, as 11661446392996 + 110358554708224 = 3414886^2 + 10505168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122020001101195 and 122020001101204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42168920 + ... + 44969520.

It is an arithmetic number, because the mean of its divisors is an integer number (10676758809717).

Almost surely, 2^{122020001101220} is an apocalyptic number.

122020001101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020001101220 is an abundant number, since it is smaller than the sum of its proper divisors (134222210331988).

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

122020001101220 is a wasteful number, since it uses less digits than its factorization.

122020001101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979071 (or 4979069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122020001101220 its reverse (22101100020221), we get a palindrome (144121101121441).

It can be divided in two parts, 122020001 and 101220, that added together give a palindrome (122121221).

The spelling of 122020001101220 in words is "one hundred twenty-two trillion, twenty billion, one million, one hundred one thousand, two hundred twenty".