122012122112220 has 48 divisors (see below), whose sum is σ = 361730056147488. Its totient is φ = 30622650255360.

The previous prime is 122012122112207. The next prime is 122012122112311. The reversal of 122012122112220 is 22211221210221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59809862761 + ... + 59809864800.

It is an arithmetic number, because the mean of its divisors is an integer number (7536042836406).

Almost surely, 2^{122012122112220} is an apocalyptic number.

122012122112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122012122112220 is an abundant number, since it is smaller than the sum of its proper divisors (239717934035268).

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

122012122112220 is a wasteful number, since it uses less digits than its factorization.

122012122112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119619727590 (or 119619727588 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122012122112220 its reverse (22211221210221), we get a palindrome (144223343322441).

The spelling of 122012122112220 in words is "one hundred twenty-two trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".