121422412320 has 192 divisors, whose sum is σ = 439212533760. Its totient is φ = 27886464000.

The previous prime is 121422412313. The next prime is 121422412361. The reversal of 121422412320 is 23214224121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504856 + ... + 705495.

It is an arithmetic number, because the mean of its divisors is an integer number (2287565280).

Almost surely, 2^121422412320 is an apocalyptic number.

121422412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121422412320 is an abundant number, since it is smaller than the sum of its proper divisors (317790121440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121422412320 is a wasteful number, since it uses less digits than its factorization.

121422412320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210399 (or 1210391 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 121422412320 its reverse (23214224121), we get a palindrome (144636636441).

The spelling of 121422412320 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred twelve thousand, three hundred twenty".