1200726012 has 12 divisors (see below), whose sum is σ = 2801694056. Its totient is φ = 400242000.

The previous prime is 1200725993. The next prime is 1200726047. The reversal of 1200726012 is 2106270021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1200726012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50030239 + ... + 50030262.

Almost surely, 2^1200726012 is an apocalyptic number.

1200726012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200726012 is an abundant number, since it is smaller than the sum of its proper divisors (1600968044).

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

1200726012 is a wasteful number, since it uses less digits than its factorization.

1200726012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060508 (or 100060506 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1200726012 is about 34651.4936474606. The cubic root of 1200726012 is about 1062.8728323316.

Adding to 1200726012 its reverse (2106270021), we get a palindrome (3306996033).

The spelling of 1200726012 in words is "one billion, two hundred million, seven hundred twenty-six thousand, twelve".