122021101200 has 240 divisors, whose sum is σ = 402225027776. Its totient is φ = 31597516800.

The previous prime is 122021101151. The next prime is 122021101231. The reversal of 122021101200 is 2101120221.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25349994 + ... + 25354806.

Almost surely, 2^122021101200 is an apocalyptic number.

122021101200 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 122021101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201112513888).

122021101200 is an abundant number, since it is smaller than the sum of its proper divisors (280203926576).

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

122021101200 is a wasteful number, since it uses less digits than its factorization.

122021101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122021101200 its reverse (2101120221), we get a palindrome (124122221421).

The spelling of 122021101200 in words is "one hundred twenty-two billion, twenty-one million, one hundred one thousand, two hundred".