1100312012 has 36 divisors (see below), whose sum is σ = 2084186160. Its totient is φ = 507995904.

The previous prime is 1100312011. The next prime is 1100312027. The reversal of 1100312012 is 2102130011.

It is a junction number, because it is equal to n+sod(n) for n = 1100311984 and 1100312002.

It is not an unprimeable number, because it can be changed into a prime (1100312011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52289 + ... + 70247.

It is an arithmetic number, because the mean of its divisors is an integer number (57894060).

Almost surely, 2^1100312012 is an apocalyptic number.

It is an amenable number.

1100312012 is a deficient number, since it is larger than the sum of its proper divisors (983874148).

1100312012 is a wasteful number, since it uses less digits than its factorization.

1100312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18050 (or 18031 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1100312012 is about 33170.9513279315. The cubic root of 1100312012 is about 1032.3777073762.

Adding to 1100312012 its reverse (2102130011), we get a palindrome (3202442023).

The spelling of 1100312012 in words is "one billion, one hundred million, three hundred twelve thousand, twelve".