1201122120022 has 16 divisors (see below), whose sum is σ = 1965523532544. Its totient is φ = 545950441000.

The previous prime is 1201122119999. The next prime is 1201122120041. The reversal of 1201122120022 is 2200212211021.

It is a happy number.

It is a super-2 number, since 2×1201122120022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201122119978 and 1201122120005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184647 + ... + 1560877.

It is an arithmetic number, because the mean of its divisors is an integer number (122845220784).

Almost surely, 2^{1201122120022} is an apocalyptic number.

1201122120022 is a deficient number, since it is larger than the sum of its proper divisors (764401412522).

1201122120022 is a wasteful number, since it uses less digits than its factorization.

1201122120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415915.

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

Adding to 1201122120022 its reverse (2200212211021), we get a palindrome (3401334331043).

Subtracting 1201122120022 from its reverse (2200212211021), we obtain a palindrome (999090090999).

The spelling of 1201122120022 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty thousand, twenty-two".