1201003321012 has 48 divisors (see below), whose sum is σ = 2302255597824. Its totient is φ = 543666816000.

The previous prime is 1201003320929. The next prime is 1201003321081. The reversal of 1201003321012 is 2101233001021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30040428 + ... + 30080380.

It is an arithmetic number, because the mean of its divisors is an integer number (47963658288).

Almost surely, 2^{1201003321012} is an apocalyptic number.

It is an amenable number.

1201003321012 is a deficient number, since it is larger than the sum of its proper divisors (1101252276812).

1201003321012 is a wasteful number, since it uses less digits than its factorization.

1201003321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42760 (or 42758 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1201003321012 its reverse (2101233001021), we get a palindrome (3302236322033).

The spelling of 1201003321012 in words is "one trillion, two hundred one billion, three million, three hundred twenty-one thousand, twelve".