120331413421 has 2 divisors, whose sum is σ = 120331413422. Its totient is φ = 120331413420.

The previous prime is 120331413403. The next prime is 120331413451. The reversal of 120331413421 is 124314133021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112167387396 + 8164026025 = 334914^2 + 90355^2 .

It is a cyclic number.

It is not a de Polignac number, because 120331413421 - 2²⁷ = 120197195693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120331413401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60165706710 + 60165706711.

It is an arithmetic number, because the mean of its divisors is an integer number (60165706711).

Almost surely, 2^120331413421 is an apocalyptic number.

It is an amenable number.

120331413421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120331413421 is an equidigital number, since it uses as much as digits as its factorization.

120331413421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 120331413421 its reverse (124314133021), we get a palindrome (244645546442).

The spelling of 120331413421 in words is "one hundred twenty billion, three hundred thirty-one million, four hundred thirteen thousand, four hundred twenty-one".