1017042012 has 72 divisors (see below), whose sum is σ = 2941166592. Its totient is φ = 290282400.

The previous prime is 1017042001. The next prime is 1017042029. The reversal of 1017042012 is 2102407101.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 379437 + ... + 382107.

It is an arithmetic number, because the mean of its divisors is an integer number (40849536).

Almost surely, 2^1017042012 is an apocalyptic number.

1017042012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1017042012 is an abundant number, since it is smaller than the sum of its proper divisors (1924124580).

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

1017042012 is a wasteful number, since it uses less digits than its factorization.

1017042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199 (or 4194 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1017042012 is about 31891.0961241535. The cubic root of 1017042012 is about 1005.6487027447.

Adding to 1017042012 its reverse (2102407101), we get a palindrome (3119449113).

The spelling of 1017042012 in words is "one billion, seventeen million, forty-two thousand, twelve".