121220343350 has 12 divisors (see below), whose sum is σ = 225469838724. Its totient is φ = 48488137320.

The previous prime is 121220343341. The next prime is 121220343373. The reversal of 121220343350 is 53343022121.

It is a happy number.

121220343350 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 1212203384 + ... + 1212203483.

It is an arithmetic number, because the mean of its divisors is an integer number (18789153227).

Almost surely, 2^121220343350 is an apocalyptic number.

121220343350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121220343350 is a deficient number, since it is larger than the sum of its proper divisors (104249495374).

121220343350 is a wasteful number, since it uses less digits than its factorization.

121220343350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424406879 (or 2424406874 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 121220343350 its reverse (53343022121), we get a palindrome (174563365471).

The spelling of 121220343350 in words is "one hundred twenty-one billion, two hundred twenty million, three hundred forty-three thousand, three hundred fifty".