1020120442412 has 12 divisors (see below), whose sum is σ = 1785217961520. Its totient is φ = 510058167696.

The previous prime is 1020120442403. The next prime is 1020120442423. The reversal of 1020120442412 is 2142440210201.

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, 1381289 + ... + 1987007.

It is an arithmetic number, because the mean of its divisors is an integer number (148768163460).

Almost surely, 2^{1020120442412} is an apocalyptic number.

It is an amenable number.

1020120442412 is a deficient number, since it is larger than the sum of its proper divisors (765097519108).

1020120442412 is a wasteful number, since it uses less digits than its factorization.

1020120442412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026760 (or 1026758 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1020120442412 its reverse (2142440210201), we get a palindrome (3162560652613).

The spelling of 1020120442412 in words is "one trillion, twenty billion, one hundred twenty million, four hundred forty-two thousand, four hundred twelve".