1020120323212 has 18 divisors (see below), whose sum is σ = 1896400153172. Its totient is φ = 480056622144.

The previous prime is 1020120323177. The next prime is 1020120323227. The reversal of 1020120323212 is 2123230210201.

1020120323212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1020120323212.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441227358 + ... + 441229669.

Almost surely, 2^{1020120323212} is an apocalyptic number.

It is an amenable number.

1020120323212 is a deficient number, since it is larger than the sum of its proper divisors (876279829960).

1020120323212 is a wasteful number, since it uses less digits than its factorization.

1020120323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882457065 (or 882457046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1020120323212 its reverse (2123230210201), we get a palindrome (3143350533413).

The spelling of 1020120323212 in words is "one trillion, twenty billion, one hundred twenty million, three hundred twenty-three thousand, two hundred twelve".