122222210000 has 200 divisors, whose sum is σ = 324233712000. Its totient is φ = 44248960000.

The previous prime is 122222209973. The next prime is 122222210021. The reversal of 122222210000 is 12222221.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26287676 + ... + 26292324.

It is an arithmetic number, because the mean of its divisors is an integer number (1621168560).

Almost surely, 2^122222210000 is an apocalyptic number.

122222210000 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 122222210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162116856000).

122222210000 is an abundant number, since it is smaller than the sum of its proper divisors (202011502000).

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

122222210000 is a wasteful number, since it uses less digits than its factorization.

122222210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927 (or 4906 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122222210000 its reverse (12222221), we get a palindrome (122234432221).

122222210000 divided by its reverse (12222221) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 12222 and 2210000, that added together give a palindrome (2222222).

The spelling of 122222210000 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand".