122012021100102 has 128 divisors (see below), whose sum is σ = 296243923968000. Its totient is φ = 32725270080000.

The previous prime is 122012021100091. The next prime is 122012021100199. The reversal of 122012021100102 is 201001120210221.

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 63 ways as a sum of consecutive naturals, for example, 47057149 + ... + 49582247.

It is an arithmetic number, because the mean of its divisors is an integer number (2314405656000).

Almost surely, 2^{122012021100102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122012021100102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148121961984000).

122012021100102 is an abundant number, since it is smaller than the sum of its proper divisors (174231902867898).

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

122012021100102 is a wasteful number, since it uses less digits than its factorization.

122012021100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525682.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122012021100102 its reverse (201001120210221), we get a palindrome (323013141310323).

The spelling of 122012021100102 in words is "one hundred twenty-two trillion, twelve billion, twenty-one million, one hundred thousand, one hundred two".