1421023140412 has 12 divisors (see below), whose sum is σ = 2495640285936. Its totient is φ = 707983058720.

The previous prime is 1421023140403. The next prime is 1421023140421. The reversal of 1421023140412 is 2140413201241.

It is an interprime number because it is at equal distance from previous prime (1421023140403) and next prime (1421023140421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632126608 + ... + 632128855.

It is an arithmetic number, because the mean of its divisors is an integer number (207970023828).

Almost surely, 2^{1421023140412} is an apocalyptic number.

It is an amenable number.

1421023140412 is a deficient number, since it is larger than the sum of its proper divisors (1074617145524).

1421023140412 is a wasteful number, since it uses less digits than its factorization.

1421023140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264255748 (or 1264255746 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1421023140412 its reverse (2140413201241), we get a palindrome (3561436341653).

The spelling of 1421023140412 in words is "one trillion, four hundred twenty-one billion, twenty-three million, one hundred forty thousand, four hundred twelve".