121234210214 has 64 divisors (see below), whose sum is σ = 217122716160. Its totient is φ = 50230160640.

The previous prime is 121234210213. The next prime is 121234210219. The reversal of 121234210214 is 412012432121.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 121234210214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121234210211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165874 + ... + 1265594.

It is an arithmetic number, because the mean of its divisors is an integer number (3392542440).

Almost surely, 2^121234210214 is an apocalyptic number.

121234210214 is a deficient number, since it is larger than the sum of its proper divisors (95888505946).

121234210214 is a wasteful number, since it uses less digits than its factorization.

121234210214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99885.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121234210214 its reverse (412012432121), we get a palindrome (533246642335).

The spelling of 121234210214 in words is "one hundred twenty-one billion, two hundred thirty-four million, two hundred ten thousand, two hundred fourteen".