1012120111122 has 16 divisors (see below), whose sum is σ = 2030749036992. Its totient is φ = 336288567920.

The previous prime is 1012120111117. The next prime is 1012120111141. The reversal of 1012120111122 is 2211110212101.

It is a happy 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, 271198593 + ... + 271202324.

It is an arithmetic number, because the mean of its divisors is an integer number (126921814812).

Almost surely, 2^{1012120111122} is an apocalyptic number.

1012120111122 is an abundant number, since it is smaller than the sum of its proper divisors (1018628925870).

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

1012120111122 is a wasteful number, since it uses less digits than its factorization.

1012120111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542401233.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012120111122 its reverse (2211110212101), we get a palindrome (3223230323223).

The spelling of 1012120111122 in words is "one trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, one hundred twenty-two".