1201003223012 has 24 divisors (see below), whose sum is σ = 2283741277440. Its totient is φ = 550544770080.

The previous prime is 1201003223003. The next prime is 1201003223039. The reversal of 1201003223012 is 2103223001021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254879483 + ... + 254884194.

It is an arithmetic number, because the mean of its divisors is an integer number (95155886560).

Almost surely, 2^{1201003223012} is an apocalyptic number.

It is an amenable number.

1201003223012 is a deficient number, since it is larger than the sum of its proper divisors (1082738054428).

1201003223012 is a wasteful number, since it uses less digits than its factorization.

1201003223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509763731 (or 509763729 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1201003223012 its reverse (2103223001021), we get a palindrome (3304226224033).

The spelling of 1201003223012 in words is "one trillion, two hundred one billion, three million, two hundred twenty-three thousand, twelve".