122000101021200 has 240 divisors, whose sum is σ = 402103186199360. Its totient is φ = 31596205455360.

The previous prime is 122000101021157. The next prime is 122000101021277. The reversal of 122000101021200 is 2120101000221.

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, 21775146 + ... + 26798454.

Almost surely, 2^{122000101021200} is an apocalyptic number.

122000101021200 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 122000101021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201051593099680).

122000101021200 is an abundant number, since it is smaller than the sum of its proper divisors (280103085178160).

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

122000101021200 is a wasteful number, since it uses less digits than its factorization.

122000101021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023914 (or 5023903 counting only the distinct ones).

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

Adding to 122000101021200 its reverse (2120101000221), we get a palindrome (124120202021421).

The spelling of 122000101021200 in words is "one hundred twenty-two trillion, one hundred one million, twenty-one thousand, two hundred".