1020112312 has 8 divisors (see below), whose sum is σ = 1912710600. Its totient is φ = 510056152.

The previous prime is 1020112279. The next prime is 1020112339. The reversal of 1020112312 is 2132110201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1020112292 and 1020112301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63757012 + ... + 63757027.

It is an arithmetic number, because the mean of its divisors is an integer number (239088825).

Almost surely, 2^1020112312 is an apocalyptic number.

It is an amenable number.

1020112312 is a deficient number, since it is larger than the sum of its proper divisors (892598288).

1020112312 is a wasteful number, since it uses less digits than its factorization.

1020112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127514045 (or 127514041 counting only the distinct ones).

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

The square root of 1020112312 is about 31939.1971095079. The cubic root of 1020112312 is about 1006.6596545472.

Adding to 1020112312 its reverse (2132110201), we get a palindrome (3152222513).

The spelling of 1020112312 in words is "one billion, twenty million, one hundred twelve thousand, three hundred twelve".