1120420021012 has 12 divisors (see below), whose sum is σ = 1963933630036. Its totient is φ = 559296126720.

The previous prime is 1120420020977. The next prime is 1120420021033. The reversal of 1120420021012 is 2101200240211.

It can be written as a sum of positive squares in 2 ways, for example, as 66257848836 + 1054162172176 = 257406^2 + 1026724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228468189 + ... + 228473092.

Almost surely, 2^{1120420021012} is an apocalyptic number.

It is an amenable number.

1120420021012 is a deficient number, since it is larger than the sum of its proper divisors (843513609024).

1120420021012 is a wasteful number, since it uses less digits than its factorization.

1120420021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456941898 (or 456941896 counting only the distinct ones).

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

Adding to 1120420021012 its reverse (2101200240211), we get a palindrome (3221620261223).

The spelling of 1120420021012 in words is "one trillion, one hundred twenty billion, four hundred twenty million, twenty-one thousand, twelve".