1115010012 has 24 divisors (see below), whose sum is σ = 2605094800. Its totient is φ = 371183616.

The previous prime is 1115010007. The next prime is 1115010023. The reversal of 1115010012 is 2100105111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1115010012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51187 + ... + 69642.

Almost surely, 2^1115010012 is an apocalyptic number.

1115010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115010012 is an abundant number, since it is smaller than the sum of its proper divisors (1490084788).

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

1115010012 is a wasteful number, since it uses less digits than its factorization.

1115010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121605 (or 121603 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 12.

The square root of 1115010012 is about 33391.7656316643. The cubic root of 1115010012 is about 1036.9542335341.

Adding to 1115010012 its reverse (2100105111), we get a palindrome (3215115123).

The spelling of 1115010012 in words is "one billion, one hundred fifteen million, ten thousand, twelve".