1200122201104 has 80 divisors (see below), whose sum is σ = 2447059896000. Its totient is φ = 569346337280.

The previous prime is 1200122201053. The next prime is 1200122201111. The reversal of 1200122201104 is 4011022210021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100162794 + ... + 100174774.

It is an arithmetic number, because the mean of its divisors is an integer number (30588248700).

Almost surely, 2^{1200122201104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200122201104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223529948000).

1200122201104 is an abundant number, since it is smaller than the sum of its proper divisors (1246937694896).

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

1200122201104 is a wasteful number, since it uses less digits than its factorization.

1200122201104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15736 (or 15730 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1200122201104 its reverse (4011022210021), we get a palindrome (5211144411125).

The spelling of 1200122201104 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred one thousand, one hundred four".