122121210112120 has 32 divisors (see below), whose sum is σ = 274794005977920. Its totient is φ = 48844700360320.

The previous prime is 122121210112081. The next prime is 122121210112151. The reversal of 122121210112120 is 21211012121221.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 117717247 + ... + 118750126.

It is an arithmetic number, because the mean of its divisors is an integer number (8587312686810).

Almost surely, 2^{122121210112120} is an apocalyptic number.

122121210112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122121210112120 is an abundant number, since it is smaller than the sum of its proper divisors (152672795865800).

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

122121210112120 is a wasteful number, since it uses less digits than its factorization.

122121210112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236480295 (or 236480291 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122121210112120 its reverse (21211012121221), we get a palindrome (143332222233341).

The spelling of 122121210112120 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred ten million, one hundred twelve thousand, one hundred twenty".