1011601012 has 12 divisors (see below), whose sum is σ = 1791631296. Its totient is φ = 499706360.

The previous prime is 1011601001. The next prime is 1011601027. The reversal of 1011601012 is 2101061101.

It is a junction number, because it is equal to n+sod(n) for n = 1011600983 and 1011601001.

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 3 ways as a sum of consecutive naturals, for example, 1523164 + ... + 1523827.

It is an arithmetic number, because the mean of its divisors is an integer number (149302608).

Almost surely, 2^1011601012 is an apocalyptic number.

It is an amenable number.

1011601012 is a deficient number, since it is larger than the sum of its proper divisors (780030284).

1011601012 is a wasteful number, since it uses less digits than its factorization.

1011601012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3047078 (or 3047076 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1011601012 is about 31805.6757827907. The cubic root of 1011601012 is about 1003.8521459178.

Adding to 1011601012 its reverse (2101061101), we get a palindrome (3112662113).

The spelling of 1011601012 in words is "one billion, eleven million, six hundred one thousand, twelve".