1012020221120 has 56 divisors (see below), whose sum is σ = 2433270057504. Its totient is φ = 400877899776.

The previous prime is 1012020221111. The next prime is 1012020221137. The reversal of 1012020221120 is 211220202101.

It is a junction number, because it is equal to n+sod(n) for n = 1012020221095 and 1012020221104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15319289 + ... + 15385208.

Almost surely, 2^{1012020221120} is an apocalyptic number.

1012020221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012020221120 is an abundant number, since it is smaller than the sum of its proper divisors (1421249836384).

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

1012020221120 is a wasteful number, since it uses less digits than its factorization.

1012020221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30704617 (or 30704607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012020221120 its reverse (211220202101), we get a palindrome (1223240423221).

The spelling of 1012020221120 in words is "one trillion, twelve billion, twenty million, two hundred twenty-one thousand, one hundred twenty".