1081201012 has 24 divisors (see below), whose sum is σ = 1954641920. Its totient is φ = 522758880.

The previous prime is 1081200983. The next prime is 1081201039. The reversal of 1081201012 is 2101021801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215638 + ... + 220594.

Almost surely, 2^1081201012 is an apocalyptic number.

It is an amenable number.

1081201012 is a deficient number, since it is larger than the sum of its proper divisors (873440908).

1081201012 is a wasteful number, since it uses less digits than its factorization.

1081201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751 (or 6749 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1081201012 is about 32881.6211887431. The cubic root of 1081201012 is about 1026.3657422338.

Adding to 1081201012 its reverse (2101021801), we get a palindrome (3182222813).

The spelling of 1081201012 in words is "one billion, eighty-one million, two hundred one thousand, twelve".