121404421311132 has 48 divisors (see below), whose sum is σ = 296200341868032. Its totient is φ = 38629172134080.

The previous prime is 121404421311101. The next prime is 121404421311203. The reversal of 121404421311132 is 231113124404121.

It is a self number, because there is not a number n which added to its sum of digits gives 121404421311132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451478619 + ... + 451747442.

It is an arithmetic number, because the mean of its divisors is an integer number (6170840455584).

Almost surely, 2^{121404421311132} is an apocalyptic number.

121404421311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121404421311132 is an abundant number, since it is smaller than the sum of its proper divisors (174795920556900).

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

121404421311132 is a wasteful number, since it uses less digits than its factorization.

121404421311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903226578 (or 903226576 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

Adding to 121404421311132 its reverse (231113124404121), we get a palindrome (352517545715253).

The spelling of 121404421311132 in words is "one hundred twenty-one trillion, four hundred four billion, four hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".