121524322342 has 16 divisors (see below), whose sum is σ = 186883607232. Its totient is φ = 59232185280.

The previous prime is 121524322331. The next prime is 121524322471. The reversal of 121524322342 is 243223425121.

It is a happy number.

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, 497598 + ... + 700465.

It is an arithmetic number, because the mean of its divisors is an integer number (11680225452).

Almost surely, 2^121524322342 is an apocalyptic number.

121524322342 is a deficient number, since it is larger than the sum of its proper divisors (65359284890).

121524322342 is a wasteful number, since it uses less digits than its factorization.

121524322342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199343.

The product of its digits is 23040, while the sum is 31.

Adding to 121524322342 its reverse (243223425121), we get a palindrome (364747747463).

The spelling of 121524322342 in words is "one hundred twenty-one billion, five hundred twenty-four million, three hundred twenty-two thousand, three hundred forty-two".