1000012113 has 12 divisors (see below), whose sum is σ = 1445999568. Its totient is φ = 665965080.

The previous prime is 1000012037. The next prime is 1000012121. The reversal of 1000012113 is 3112100001.

It is not a de Polignac number, because 1000012113 - 2⁹ = 1000011601 is a prime.

It is a super-2 number, since 2×1000012113² = 2000048452293449538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000012095 and 1000012104.

It is not an unprimeable number, because it can be changed into a prime (1000012513) 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, 50143 + ... + 67188.

It is an arithmetic number, because the mean of its divisors is an integer number (120499964).

Almost surely, 2^1000012113 is an apocalyptic number.

It is an amenable number.

1000012113 is a deficient number, since it is larger than the sum of its proper divisors (445987455).

1000012113 is a wasteful number, since it uses less digits than its factorization.

1000012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118284 (or 118281 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1000012113 is about 31622.9681244503. The cubic root of 1000012113 is about 1000.0040376504.

Adding to 1000012113 its reverse (3112100001), we get a palindrome (4112112114).

The spelling of 1000012113 in words is "one billion, twelve thousand, one hundred thirteen".