121332341442 has 32 divisors (see below), whose sum is σ = 261694782720. Its totient is φ = 37281087360.

The previous prime is 121332341399. The next prime is 121332341443. The reversal of 121332341442 is 244143233121.

It is not an unprimeable number, because it can be changed into a prime (121332341443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025659 + ... + 1137822.

It is an arithmetic number, because the mean of its divisors is an integer number (8177961960).

Almost surely, 2^121332341442 is an apocalyptic number.

121332341442 is an abundant number, since it is smaller than the sum of its proper divisors (140362441278).

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

121332341442 is a wasteful number, since it uses less digits than its factorization.

121332341442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164218.

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

Adding to 121332341442 its reverse (244143233121), we get a palindrome (365475574563).

The spelling of 121332341442 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred forty-one thousand, four hundred forty-two".