122220200002000 has 160 divisors (see below), whose sum is σ = 295762877714304. Its totient is φ = 48849318144000.

The previous prime is 122220200001997. The next prime is 122220200002007. The reversal of 122220200002000 is 200002022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220200002007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22960771339 + ... + 22960776661.

Almost surely, 2^{122220200002000} is an apocalyptic number.

122220200002000 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 122220200002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147881438857152).

122220200002000 is an abundant number, since it is smaller than the sum of its proper divisors (173542677712304).

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

122220200002000 is a wasteful number, since it uses less digits than its factorization.

122220200002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294 (or 12278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 122220200002000 its reverse (200002022221), we get a palindrome (122420202024221).

The spelling of 122220200002000 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred million, two thousand".