121342522434 has 16 divisors (see below), whose sum is σ = 277354337088. Its totient is φ = 34669292112.

The previous prime is 121342522409. The next prime is 121342522451. The reversal of 121342522434 is 434225243121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121342522395 and 121342522404.

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, 1444553797 + ... + 1444553880.

It is an arithmetic number, because the mean of its divisors is an integer number (17334646068).

Almost surely, 2^121342522434 is an apocalyptic number.

121342522434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121342522434 is an abundant number, since it is smaller than the sum of its proper divisors (156011814654).

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

121342522434 is a wasteful number, since it uses less digits than its factorization.

121342522434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889107689.

The product of its digits is 46080, while the sum is 33.

Adding to 121342522434 its reverse (434225243121), we get a palindrome (555567765555).

The spelling of 121342522434 in words is "one hundred twenty-one billion, three hundred forty-two million, five hundred twenty-two thousand, four hundred thirty-four".