121331422204032 has 512 divisors, whose sum is σ = 352934097868800. Its totient is φ = 36797249617920.

The previous prime is 121331422204019. The next prime is 121331422204063. The reversal of 121331422204032 is 230402224133121.

It is a happy 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, 38023007557 + ... + 38023010747.

It is an arithmetic number, because the mean of its divisors is an integer number (689324409900).

Almost surely, 2^{121331422204032} is an apocalyptic number.

121331422204032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121331422204032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176467048934400).

121331422204032 is an abundant number, since it is smaller than the sum of its proper divisors (231602675664768).

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

121331422204032 is a wasteful number, since it uses less digits than its factorization.

121331422204032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 5032 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 121331422204032 its reverse (230402224133121), we get a palindrome (351733646337153).

The spelling of 121331422204032 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, four hundred twenty-two million, two hundred four thousand, thirty-two".