122021011200 has 216 divisors, whose sum is σ = 439304132736. Its totient is φ = 29580800000.

The previous prime is 122021011187. The next prime is 122021011213. The reversal of 122021011200 is 2110120221.

It is an interprime number because it is at equal distance from previous prime (122021011187) and next prime (122021011213).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77676 + ... + 500075.

Almost surely, 2^122021011200 is an apocalyptic number.

122021011200 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 122021011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219652066368).

122021011200 is an abundant number, since it is smaller than the sum of its proper divisors (317283121536).

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

122021011200 is a wasteful number, since it uses less digits than its factorization.

122021011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577791 (or 577772 counting only the distinct ones).

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

Adding to 122021011200 its reverse (2110120221), we get a palindrome (124131131421).

The spelling of 122021011200 in words is "one hundred twenty-two billion, twenty-one million, eleven thousand, two hundred".