1120021003012 has 12 divisors (see below), whose sum is σ = 1971366448716. Its totient is φ = 556773446240.

The previous prime is 1120021003007. The next prime is 1120021003039. The reversal of 1120021003012 is 2103001200211.

It can be written as a sum of positive squares in 2 ways, for example, as 1057248707076 + 62772295936 = 1028226^2 + 250544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1120021002983 and 1120021003001.

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, 809263039 + ... + 809264422.

It is an arithmetic number, because the mean of its divisors is an integer number (164280537393).

Almost surely, 2^{1120021003012} is an apocalyptic number.

It is an amenable number.

1120021003012 is a deficient number, since it is larger than the sum of its proper divisors (851345445704).

1120021003012 is a wasteful number, since it uses less digits than its factorization.

1120021003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618527638 (or 1618527636 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1120021003012 its reverse (2103001200211), we get a palindrome (3223022203223).

The spelling of 1120021003012 in words is "one trillion, one hundred twenty billion, twenty-one million, three thousand, twelve".