122120210002000 has 80 divisors (see below), whose sum is σ = 337470477507072. Its totient is φ = 41869786281600.

The previous prime is 122120210001973. The next prime is 122120210002001. The reversal of 122120210002000 is 200012021221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120210002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4361422072 + ... + 4361450071.

Almost surely, 2^{122120210002000} is an apocalyptic number.

122120210002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122120210002000 is an abundant number, since it is smaller than the sum of its proper divisors (215350267505072).

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

122120210002000 is an equidigital number, since it uses as much as digits as its factorization.

122120210002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722872173 (or 8722872157 counting only the distinct ones).

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

Adding to 122120210002000 its reverse (200012021221), we get a palindrome (122320222023221).

The spelling of 122120210002000 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred ten million, two thousand".