121422401430 has 64 divisors (see below), whose sum is σ = 318056122368. Its totient is φ = 29421826560.

The previous prime is 121422401423. The next prime is 121422401459. The reversal of 121422401430 is 34104224121.

It is a self number, because there is not a number n which added to its sum of digits gives 121422401430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621342 + ... + 793038.

It is an arithmetic number, because the mean of its divisors is an integer number (4969626912).

Almost surely, 2^121422401430 is an apocalyptic number.

121422401430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121422401430 is an abundant number, since it is smaller than the sum of its proper divisors (196633720938).

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

121422401430 is a wasteful number, since it uses less digits than its factorization.

121422401430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173861.

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

Adding to 121422401430 its reverse (34104224121), we get a palindrome (155526625551).

The spelling of 121422401430 in words is "one hundred twenty-one billion, four hundred twenty-two million, four hundred one thousand, four hundred thirty".