122100021202000 has 160 divisors (see below), whose sum is σ = 308113175994624. Its totient is φ = 46710631616000.

The previous prime is 122100021201959. The next prime is 122100021202031. The reversal of 122100021202000 is 202120001221.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373218495 + ... + 373545505.

Almost surely, 2^{122100021202000} is an apocalyptic number.

122100021202000 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 122100021202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154056587997312).

122100021202000 is an abundant number, since it is smaller than the sum of its proper divisors (186013154792624).

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

122100021202000 is a wasteful number, since it uses less digits than its factorization.

122100021202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335174 (or 335158 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122100021202000 its reverse (202120001221), we get a palindrome (122302141203221).

The spelling of 122100021202000 in words is "one hundred twenty-two trillion, one hundred billion, twenty-one million, two hundred two thousand".