1200020110122 has 8 divisors (see below), whose sum is σ = 2400040220256. Its totient is φ = 400006703372.

The previous prime is 1200020110117. The next prime is 1200020110127. The reversal of 1200020110122 is 2210110200021.

It is an interprime number because it is at equal distance from previous prime (1200020110117) and next prime (1200020110127).

It is a sphenic number, since it is the product of 3 distinct primes.

1200020110122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1200020110098 and 1200020110107.

It is not an unprimeable number, because it can be changed into a prime (1200020110127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100001675838 + ... + 100001675849.

It is an arithmetic number, because the mean of its divisors is an integer number (300005027532).

Almost surely, 2^{1200020110122} is an apocalyptic number.

1200020110122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1200020110122 is a wasteful number, since it uses less digits than its factorization.

1200020110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200003351692.

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

Adding to 1200020110122 its reverse (2210110200021), we get a palindrome (3410130310143).

The spelling of 1200020110122 in words is "one trillion, two hundred billion, twenty million, one hundred ten thousand, one hundred twenty-two".