20120434652347 has 2 divisors, whose sum is σ = 20120434652348. Its totient is φ = 20120434652346.

The previous prime is 20120434652273. The next prime is 20120434652389. The reversal of 20120434652347 is 74325643402102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20120434652347 - 2¹¹ = 20120434650299 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120434452347) 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 as a sum of consecutive naturals, namely, 10060217326173 + 10060217326174.

It is an arithmetic number, because the mean of its divisors is an integer number (10060217326174).

Almost surely, 2^{20120434652347} is an apocalyptic number.

20120434652347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120434652347 is an equidigital number, since it uses as much as digits as its factorization.

20120434652347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 43.

The spelling of 20120434652347 in words is "twenty trillion, one hundred twenty billion, four hundred thirty-four million, six hundred fifty-two thousand, three hundred forty-seven".