121332343142 has 16 divisors (see below), whose sum is σ = 183803642880. Its totient is φ = 60064706952.

The previous prime is 121332343127. The next prime is 121332343177. The reversal of 121332343142 is 241343233121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976109 + ... + 1093367.

It is an arithmetic number, because the mean of its divisors is an integer number (11487727680).

Almost surely, 2^121332343142 is an apocalyptic number.

121332343142 is a deficient number, since it is larger than the sum of its proper divisors (62471299738).

121332343142 is a wasteful number, since it uses less digits than its factorization.

121332343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122387.

The product of its digits is 10368, while the sum is 29.

Adding to 121332343142 its reverse (241343233121), we get a palindrome (362675576263).

The spelling of 121332343142 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred forty-three thousand, one hundred forty-two".