1210421413343 has 4 divisors (see below), whose sum is σ = 1210423614000. Its totient is φ = 1210419212688.

The previous prime is 1210421413339. The next prime is 1210421413351. The reversal of 1210421413343 is 3433141240121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1210421413343 - 2² = 1210421413339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210421413543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524171 + ... + 1641827.

It is an arithmetic number, because the mean of its divisors is an integer number (302605903500).

Almost surely, 2^{1210421413343} is an apocalyptic number.

1210421413343 is a deficient number, since it is larger than the sum of its proper divisors (2200657).

1210421413343 is a wasteful number, since it uses less digits than its factorization.

1210421413343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200656.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1210421413343 its reverse (3433141240121), we get a palindrome (4643562653464).

The spelling of 1210421413343 in words is "one trillion, two hundred ten billion, four hundred twenty-one million, four hundred thirteen thousand, three hundred forty-three".