1120121012 has 12 divisors (see below), whose sum is σ = 1961278116. Its totient is φ = 559755840.

The previous prime is 1120121011. The next prime is 1120121021. The reversal of 1120121012 is 2101210211.

It can be written as a sum of positive squares in 2 ways, for example, as 145057936 + 975063076 = 12044^2 + 31226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120120984 and 1120121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120121011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67793 + ... + 82680.

It is an arithmetic number, because the mean of its divisors is an integer number (163439843).

Almost surely, 2^1120121012 is an apocalyptic number.

It is an amenable number.

1120121012 is a deficient number, since it is larger than the sum of its proper divisors (841157104).

1120121012 is a wasteful number, since it uses less digits than its factorization.

1120121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152338 (or 152336 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1120121012 is about 33468.2089750856. The cubic root of 1120121012 is about 1038.5362210528.

Adding to 1120121012 its reverse (2101210211), we get a palindrome (3221331223).

The spelling of 1120121012 in words is "one billion, one hundred twenty million, one hundred twenty-one thousand, twelve".