1421323340212 has 24 divisors (see below), whose sum is σ = 2548642807872. Its totient is φ = 693148670400.

The previous prime is 1421323340209. The next prime is 1421323340237. The reversal of 1421323340212 is 2120433231241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488214 + ... + 1755277.

It is an arithmetic number, because the mean of its divisors is an integer number (106193450328).

Almost surely, 2^{1421323340212} is an apocalyptic number.

It is an amenable number.

1421323340212 is a deficient number, since it is larger than the sum of its proper divisors (1127319467660).

1421323340212 is a wasteful number, since it uses less digits than its factorization.

1421323340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247399 (or 2247397 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1421323340212 its reverse (2120433231241), we get a palindrome (3541756571453).

The spelling of 1421323340212 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-three million, three hundred forty thousand, two hundred twelve".