1201122120012 has 24 divisors (see below), whose sum is σ = 2805284930112. Its totient is φ = 399993090000.

The previous prime is 1201122119999. The next prime is 1201122120041. The reversal of 1201122120012 is 2100212211021.

It is a junction number, because it is equal to n+sod(n) for n = 1201122119973 and 1201122120000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47605614 + ... + 47630837.

It is an arithmetic number, because the mean of its divisors is an integer number (116886872088).

Almost surely, 2^{1201122120012} is an apocalyptic number.

1201122120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201122120012 is an abundant number, since it is smaller than the sum of its proper divisors (1604162810100).

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

1201122120012 is a wasteful number, since it uses less digits than its factorization.

1201122120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95237509 (or 95237507 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1201122120012 its reverse (2100212211021), we get a palindrome (3301334331033).

The spelling of 1201122120012 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty thousand, twelve".