121332112121330 has 16 divisors (see below), whose sum is σ = 238252147438464. Its totient is φ = 44120768044080.

The previous prime is 121332112121321. The next prime is 121332112121393. The reversal of 121332112121330 is 33121211233121.

It is a self number, because there is not a number n which added to its sum of digits gives 121332112121330.

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, 551509600442 + ... + 551509600661.

It is an arithmetic number, because the mean of its divisors is an integer number (14890759214904).

Almost surely, 2^{121332112121330} is an apocalyptic number.

121332112121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121332112121330 is a deficient number, since it is larger than the sum of its proper divisors (116920035317134).

121332112121330 is a wasteful number, since it uses less digits than its factorization.

121332112121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103019201121.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121332112121330 its reverse (33121211233121), we get a palindrome (154453323354451).

The spelling of 121332112121330 in words is "one hundred twenty-one trillion, three hundred thirty-two billion, one hundred twelve million, one hundred twenty-one thousand, three hundred thirty".