1022112312 has 64 divisors (see below), whose sum is σ = 2782836000. Its totient is φ = 310953984.

The previous prime is 1022112307. The next prime is 1022112317. The reversal of 1022112312 is 2132112201.

1022112312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1022112307) and next prime (1022112317).

It is a junction number, because it is equal to n+sod(n) for n = 1022112291 and 1022112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022112317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9364 + ... + 46172.

Almost surely, 2^1022112312 is an apocalyptic number.

1022112312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022112312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391418000).

1022112312 is an abundant number, since it is smaller than the sum of its proper divisors (1760723688).

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

1022112312 is a wasteful number, since it uses less digits than its factorization.

1022112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36920 (or 36916 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1022112312 is about 31970.4912692939. The cubic root of 1022112312 is about 1007.3171001267.

Adding to 1022112312 its reverse (2132112201), we get a palindrome (3154224513).

The spelling of 1022112312 in words is "one billion, twenty-two million, one hundred twelve thousand, three hundred twelve".