1200122102320 has 40 divisors (see below), whose sum is σ = 2911600583136. Its totient is φ = 459177151488.

The previous prime is 1200122102281. The next prime is 1200122102321. The reversal of 1200122102320 is 232012210021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1200122102294 and 1200122102303.

It is not an unprimeable number, because it can be changed into a prime (1200122102321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326118297 + ... + 326121976.

Almost surely, 2^{1200122102320} is an apocalyptic number.

1200122102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200122102320 is an abundant number, since it is smaller than the sum of its proper divisors (1711478480816).

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

1200122102320 is a wasteful number, since it uses less digits than its factorization.

1200122102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652240309 (or 652240303 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200122102320 its reverse (232012210021), we get a palindrome (1432134312341).

The spelling of 1200122102320 in words is "one trillion, two hundred billion, one hundred twenty-two million, one hundred two thousand, three hundred twenty".