121223311413 has 8 divisors (see below), whose sum is σ = 161636596800. Its totient is φ = 80812783488.

The previous prime is 121223311399. The next prime is 121223311421. The reversal of 121223311413 is 314113322121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121223311413 - 2⁴ = 121223311397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223311813) by changing a digit.

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, 584508 + ... + 764261.

It is an arithmetic number, because the mean of its divisors is an integer number (20204574600).

Almost surely, 2^121223311413 is an apocalyptic number.

It is an amenable number.

121223311413 is a deficient number, since it is larger than the sum of its proper divisors (40413285387).

121223311413 is a wasteful number, since it uses less digits than its factorization.

121223311413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378731.

The product of its digits is 864, while the sum is 24.

Adding to 121223311413 its reverse (314113322121), we get a palindrome (435336633534).

The spelling of 121223311413 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred eleven thousand, four hundred thirteen".