120203430234013 has 12 divisors (see below), whose sum is σ = 143607878847328. Its totient is φ = 98551880685720.

The previous prime is 120203430233987. The next prime is 120203430234037. The reversal of 120203430234013 is 310432034302021.

It is a happy number.

It is not a de Polignac number, because 120203430234013 - 2²¹ = 120203428136861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120203430238013) 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 11 ways as a sum of consecutive naturals, for example, 16230543183 + ... + 16230550588.

Almost surely, 2^{120203430234013} is an apocalyptic number.

It is an amenable number.

120203430234013 is a deficient number, since it is larger than the sum of its proper divisors (23404448613315).

120203430234013 is an equidigital number, since it uses as much as digits as its factorization.

120203430234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32461093824 (or 32461093801 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 120203430234013 its reverse (310432034302021), we get a palindrome (430635464536034).

The spelling of 120203430234013 in words is "one hundred twenty trillion, two hundred three billion, four hundred thirty million, two hundred thirty-four thousand, thirteen".