121422012421430 has 128 divisors (see below), whose sum is σ = 256785113088000. Its totient is φ = 40465521547776.

The previous prime is 121422012421379. The next prime is 121422012421477. The reversal of 121422012421430 is 34124210224121.

It is a junction number, because it is equal to n+sod(n) for n = 121422012421393 and 121422012421402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14120476271 + ... + 14120484869.

It is an arithmetic number, because the mean of its divisors is an integer number (2006133696000).

Almost surely, 2^{121422012421430} is an apocalyptic number.

121422012421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121422012421430 is an abundant number, since it is smaller than the sum of its proper divisors (135363100666570).

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

121422012421430 is a wasteful number, since it uses less digits than its factorization.

121422012421430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13366.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 121422012421430 its reverse (34124210224121), we get a palindrome (155546222645551).

The spelling of 121422012421430 in words is "one hundred twenty-one trillion, four hundred twenty-two billion, twelve million, four hundred twenty-one thousand, four hundred thirty".