122000210222100 has 576 divisors, whose sum is σ = 429632501760000. Its totient is φ = 26108190535680.

The previous prime is 122000210221999. The next prime is 122000210222153. The reversal of 122000210222100 is 1222012000221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122000210222100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8199482461 + ... + 8199497339.

It is an arithmetic number, because the mean of its divisors is an integer number (745889760000).

Almost surely, 2^{122000210222100} is an apocalyptic number.

122000210222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122000210222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214816250880000).

122000210222100 is an abundant number, since it is smaller than the sum of its proper divisors (307632291537900).

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

122000210222100 is a wasteful number, since it uses less digits than its factorization.

122000210222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17320 (or 17313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122000210222100 its reverse (1222012000221), we get a palindrome (123222222222321).

The spelling of 122000210222100 in words is "one hundred twenty-two trillion, two hundred ten million, two hundred twenty-two thousand, one hundred".