1301203321012 has 24 divisors (see below), whose sum is σ = 2606355702720. Its totient is φ = 556812338880.

The previous prime is 1301203321009. The next prime is 1301203321027. The reversal of 1301203321012 is 2101233021031.

It is a super-2 number, since 2×1301203321012² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 35240689 + ... + 35277592.

It is an arithmetic number, because the mean of its divisors is an integer number (108598154280).

Almost surely, 2^{1301203321012} is an apocalyptic number.

It is an amenable number.

1301203321012 is an abundant number, since it is smaller than the sum of its proper divisors (1305152381708).

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

1301203321012 is a wasteful number, since it uses less digits than its factorization.

1301203321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70518951 (or 70518949 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1301203321012 its reverse (2101233021031), we get a palindrome (3402436342043).

The spelling of 1301203321012 in words is "one trillion, three hundred one billion, two hundred three million, three hundred twenty-one thousand, twelve".