121172034830 has 48 divisors (see below), whose sum is σ = 276784816176. Its totient is φ = 37767905280.

The previous prime is 121172034791. The next prime is 121172034859. The reversal of 121172034830 is 38430271121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11235059 + ... + 11245838.

It is an arithmetic number, because the mean of its divisors is an integer number (5766350337).

Almost surely, 2^121172034830 is an apocalyptic number.

121172034830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121172034830 is an abundant number, since it is smaller than the sum of its proper divisors (155612781346).

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

121172034830 is a wasteful number, since it uses less digits than its factorization.

121172034830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480929 (or 22480922 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 121172034830 in words is "one hundred twenty-one billion, one hundred seventy-two million, thirty-four thousand, eight hundred thirty".