122201321121200 has 60 divisors (see below), whose sum is σ = 294007488753888. Its totient is φ = 48810798624000.

The previous prime is 122201321121161. The next prime is 122201321121331. The reversal of 122201321121200 is 2121123102221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217624952 + ... + 218185751.

Almost surely, 2^{122201321121200} is an apocalyptic number.

122201321121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122201321121200 is an abundant number, since it is smaller than the sum of its proper divisors (171806167632688).

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

122201321121200 is a wasteful number, since it uses less digits than its factorization.

122201321121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435811422 (or 435811411 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 122201321121200 its reverse (2121123102221), we get a palindrome (124322444223421).

The spelling of 122201321121200 in words is "one hundred twenty-two trillion, two hundred one billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred".