121214423443 has 8 divisors (see below), whose sum is σ = 127597738320. Its totient is φ = 114831469440.

The previous prime is 121214423437. The next prime is 121214423459. The reversal of 121214423443 is 344324412121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121214423443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121214423423) 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, 851271 + ... + 983407.

It is an arithmetic number, because the mean of its divisors is an integer number (15949717290).

Almost surely, 2^121214423443 is an apocalyptic number.

121214423443 is a deficient number, since it is larger than the sum of its proper divisors (6383314877).

121214423443 is a wasteful number, since it uses less digits than its factorization.

121214423443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180437.

The product of its digits is 18432, while the sum is 31.

Adding to 121214423443 its reverse (344324412121), we get a palindrome (465538835564).

The spelling of 121214423443 in words is "one hundred twenty-one billion, two hundred fourteen million, four hundred twenty-three thousand, four hundred forty-three".