121423331450 has 24 divisors (see below), whose sum is σ = 226476531360. Its totient is φ = 48434034800.

The previous prime is 121423331431. The next prime is 121423331461. The reversal of 121423331450 is 54133324121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3364316 + ... + 3400215.

It is an arithmetic number, because the mean of its divisors is an integer number (9436522140).

Almost surely, 2^121423331450 is an apocalyptic number.

121423331450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121423331450 is a deficient number, since it is larger than the sum of its proper divisors (105053199910).

121423331450 is a wasteful number, since it uses less digits than its factorization.

121423331450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764902 (or 6764897 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 121423331450 its reverse (54133324121), we get a palindrome (175556655571).

The spelling of 121423331450 in words is "one hundred twenty-one billion, four hundred twenty-three million, three hundred thirty-one thousand, four hundred fifty".