122212112001000 has 512 divisors, whose sum is σ = 454921231564800. Its totient is φ = 26707851033600.

The previous prime is 122212112000969. The next prime is 122212112001013. The reversal of 122212112001000 is 100211212221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1115192209 + ... + 1115301791.

It is an arithmetic number, because the mean of its divisors is an integer number (888518030400).

Almost surely, 2^{122212112001000} is an apocalyptic number.

122212112001000 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 122212112001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227460615782400).

122212112001000 is an abundant number, since it is smaller than the sum of its proper divisors (332709119563800).

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

122212112001000 is a wasteful number, since it uses less digits than its factorization.

122212112001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111946 (or 111932 counting only the distinct ones).

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

Adding to 122212112001000 its reverse (100211212221), we get a palindrome (122312323213221).

The spelling of 122212112001000 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twelve million, one thousand".