1301331121212 has 24 divisors (see below), whose sum is σ = 3101044375296. Its totient is φ = 424547741488.

The previous prime is 1301331121159. The next prime is 1301331121213. The reversal of 1301331121212 is 2121211331031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301331121213) 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, 1153661778 + ... + 1153662905.

It is an arithmetic number, because the mean of its divisors is an integer number (129210182304).

Almost surely, 2^{1301331121212} is an apocalyptic number.

1301331121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301331121212 is an abundant number, since it is smaller than the sum of its proper divisors (1799713254084).

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

1301331121212 is a wasteful number, since it uses less digits than its factorization.

1301331121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307324737 (or 2307324735 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1301331121212 its reverse (2121211331031), we get a palindrome (3422542452243).

The spelling of 1301331121212 in words is "one trillion, three hundred one billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred twelve".