121434025351340 has 48 divisors (see below), whose sum is σ = 274690179433152. Its totient is φ = 44826980948736.

The previous prime is 121434025351337. The next prime is 121434025351349. The reversal of 121434025351340 is 43153520434121.

It is a junction number, because it is equal to n+sod(n) for n = 121434025351294 and 121434025351303.

It is not an unprimeable number, because it can be changed into a prime (121434025351349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51967304 + ... + 54253743.

It is an arithmetic number, because the mean of its divisors is an integer number (5722712071524).

Almost surely, 2^{121434025351340} is an apocalyptic number.

121434025351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121434025351340 is an abundant number, since it is smaller than the sum of its proper divisors (153256154081812).

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

121434025351340 is a wasteful number, since it uses less digits than its factorization.

121434025351340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106225466 (or 106225464 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 121434025351340 its reverse (43153520434121), we get a palindrome (164587545785461).

The spelling of 121434025351340 in words is "one hundred twenty-one trillion, four hundred thirty-four billion, twenty-five million, three hundred fifty-one thousand, three hundred forty".