121152430434 has 16 divisors (see below), whose sum is σ = 276919841088. Its totient is φ = 34614980112.

The previous prime is 121152430411. The next prime is 121152430447. The reversal of 121152430434 is 434034251121.

It is a super-2 number, since 2×121152430434² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442290797 + ... + 1442290880.

It is an arithmetic number, because the mean of its divisors is an integer number (17307490068).

Almost surely, 2^121152430434 is an apocalyptic number.

121152430434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121152430434 is an abundant number, since it is smaller than the sum of its proper divisors (155767410654).

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

121152430434 is a wasteful number, since it uses less digits than its factorization.

121152430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884581689.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121152430434 its reverse (434034251121), we get a palindrome (555186681555).

The spelling of 121152430434 in words is "one hundred twenty-one billion, one hundred fifty-two million, four hundred thirty thousand, four hundred thirty-four".