121432041120340 has 48 divisors (see below), whose sum is σ = 256665662346240. Its totient is φ = 48257874040320.

The previous prime is 121432041120323. The next prime is 121432041120347. The reversal of 121432041120340 is 43021140234121.

It is a happy number.

It is a super-2 number, since 2×121432041120340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121432041120299 and 121432041120308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432041120347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27265356 + ... + 31404835.

It is an arithmetic number, because the mean of its divisors is an integer number (5347201298880).

Almost surely, 2^{121432041120340} is an apocalyptic number.

121432041120340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121432041120340 is an abundant number, since it is smaller than the sum of its proper divisors (135233621225900).

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

121432041120340 is a wasteful number, since it uses less digits than its factorization.

121432041120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58670872 (or 58670870 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 121432041120340 its reverse (43021140234121), we get a palindrome (164453181354461).

The spelling of 121432041120340 in words is "one hundred twenty-one trillion, four hundred thirty-two billion, forty-one million, one hundred twenty thousand, three hundred forty".