1020202312 has 16 divisors (see below), whose sum is σ = 1974585600. Its totient is φ = 493646160.

The previous prime is 1020202291. The next prime is 1020202319. The reversal of 1020202312 is 2132020201.

1020202312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1020202292 and 1020202301.

It is not an unprimeable number, because it can be changed into a prime (1020202319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2056612 + ... + 2057107.

It is an arithmetic number, because the mean of its divisors is an integer number (123411600).

Almost surely, 2^1020202312 is an apocalyptic number.

It is an amenable number.

1020202312 is a deficient number, since it is larger than the sum of its proper divisors (954383288).

1020202312 is a wasteful number, since it uses less digits than its factorization.

1020202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113756 (or 4113752 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020202312 is about 31940.6060055222. The cubic root of 1020202312 is about 1006.6892580538.

Adding to 1020202312 its reverse (2132020201), we get a palindrome (3152222513).

The spelling of 1020202312 in words is "one billion, twenty million, two hundred two thousand, three hundred twelve".