1201001012 has 24 divisors (see below), whose sum is σ = 2195356800. Its totient is φ = 574158816.

The previous prime is 1201001003. The next prime is 1201001017. The reversal of 1201001012 is 2101001021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38312 + ... + 62207.

It is an arithmetic number, because the mean of its divisors is an integer number (91473200).

Almost surely, 2^1201001012 is an apocalyptic number.

It is an amenable number.

1201001012 is a deficient number, since it is larger than the sum of its proper divisors (994355788).

1201001012 is a wasteful number, since it uses less digits than its factorization.

1201001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100655 (or 100653 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1201001012 is about 34655.4615032032. The cubic root of 1201001012 is about 1062.9539687204.

Adding to 1201001012 its reverse (2101001021), we get a palindrome (3302002033).

Subtracting 1201001012 from its reverse (2101001021), we obtain a palindrome (900000009).

The spelling of 1201001012 in words is "one billion, two hundred one million, one thousand, twelve".