121302113431420 has 12 divisors (see below), whose sum is σ = 254734438206024. Its totient is φ = 48520845372560.

The previous prime is 121302113431361. The next prime is 121302113431501. The reversal of 121302113431420 is 24134311203121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032552835766 + ... + 3032552835805.

It is an arithmetic number, because the mean of its divisors is an integer number (21227869850502).

Almost surely, 2^{121302113431420} is an apocalyptic number.

121302113431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302113431420 is an abundant number, since it is smaller than the sum of its proper divisors (133432324774604).

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

121302113431420 is a wasteful number, since it uses less digits than its factorization.

121302113431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065105671580 (or 6065105671578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 121302113431420 its reverse (24134311203121), we get a palindrome (145436424634541).

The spelling of 121302113431420 in words is "one hundred twenty-one trillion, three hundred two billion, one hundred thirteen million, four hundred thirty-one thousand, four hundred twenty".