120431421203 has 2 divisors, whose sum is σ = 120431421204. Its totient is φ = 120431421202.

The previous prime is 120431421139. The next prime is 120431421263. The reversal of 120431421203 is 302124134021.

It is a strong prime.

It is an emirp because it is prime and its reverse (302124134021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120431421203 - 2⁶ = 120431421139 is a prime.

It is not a weakly prime, because it can be changed into another prime (120431421263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60215710601 + 60215710602.

It is an arithmetic number, because the mean of its divisors is an integer number (60215710602).

Almost surely, 2^120431421203 is an apocalyptic number.

120431421203 is a deficient number, since it is larger than the sum of its proper divisors (1).

120431421203 is an equidigital number, since it uses as much as digits as its factorization.

120431421203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 120431421203 its reverse (302124134021), we get a palindrome (422555555224).

The spelling of 120431421203 in words is "one hundred twenty billion, four hundred thirty-one million, four hundred twenty-one thousand, two hundred three".