1012113312 has 48 divisors (see below), whose sum is σ = 3036341952. Its totient is φ = 289175040.

The previous prime is 1012113301. The next prime is 1012113313. The reversal of 1012113312 is 2133112101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1012113291 and 1012113300.

It is not an unprimeable number, because it can be changed into a prime (1012113313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752389 + ... + 753732.

It is an arithmetic number, because the mean of its divisors is an integer number (63257124).

Almost surely, 2^1012113312 is an apocalyptic number.

1012113312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012113312 is an abundant number, since it is smaller than the sum of its proper divisors (2024228640).

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

1012113312 is a wasteful number, since it uses less digits than its factorization.

1012113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506141 (or 1506133 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1012113312 is about 31813.7283574246. The cubic root of 1012113312 is about 1004.0215759134.

Adding to 1012113312 its reverse (2133112101), we get a palindrome (3145225413).

The spelling of 1012113312 in words is "one billion, twelve million, one hundred thirteen thousand, three hundred twelve".