121223120414 has 16 divisors (see below), whose sum is σ = 198487687680. Its totient is φ = 55067367960.

The previous prime is 121223120407. The next prime is 121223120477. The reversal of 121223120414 is 414021322121.

It is a self number, because there is not a number n which added to its sum of digits gives 121223120414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666094 + ... + 1737329.

It is an arithmetic number, because the mean of its divisors is an integer number (12405480480).

Almost surely, 2^121223120414 is an apocalyptic number.

121223120414 is a deficient number, since it is larger than the sum of its proper divisors (77264567266).

121223120414 is a wasteful number, since it uses less digits than its factorization.

121223120414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405055.

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

Adding to 121223120414 its reverse (414021322121), we get a palindrome (535244442535).

The spelling of 121223120414 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred twenty thousand, four hundred fourteen".