121321214 has 32 divisors (see below), whose sum is σ = 225602496. Its totient is φ = 47738880.

The previous prime is 121321177. The next prime is 121321229. The reversal of 121321214 is 412123121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 121321192 and 121321201.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3542 + ... + 15974.

It is an arithmetic number, because the mean of its divisors is an integer number (7050078).

Almost surely, 2^121321214 is an apocalyptic number.

121321214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121321214 is a deficient number, since it is larger than the sum of its proper divisors (104281282).

121321214 is a wasteful number, since it uses less digits than its factorization.

121321214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12500.

The product of its digits is 96, while the sum is 17.

The square root of 121321214 is about 11014.5909592685. The cubic root of 121321214 is about 495.0460304778.

Adding to 121321214 its reverse (412123121), we get a palindrome (533444335).

The spelling of 121321214 in words is "one hundred twenty-one million, three hundred twenty-one thousand, two hundred fourteen".