1117020012 has 48 divisors (see below), whose sum is σ = 2648090592. Its totient is φ = 366405120.

The previous prime is 1117019971. The next prime is 1117020017. The reversal of 1117020012 is 2100207111.

It is a junction number, because it is equal to n+sod(n) for n = 1117019973 and 1117020000.

It is not an unprimeable number, because it can be changed into a prime (1117020017) 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, 472738 + ... + 475094.

It is an arithmetic number, because the mean of its divisors is an integer number (55168554).

Almost surely, 2^1117020012 is an apocalyptic number.

1117020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1117020012 is an abundant number, since it is smaller than the sum of its proper divisors (1531070580).

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

1117020012 is a wasteful number, since it uses less digits than its factorization.

1117020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 1117020012 is about 33421.8493204670. The cubic root of 1117020012 is about 1037.5769564438.

Adding to 1117020012 its reverse (2100207111), we get a palindrome (3217227123).

The spelling of 1117020012 in words is "one billion, one hundred seventeen million, twenty thousand, twelve".