20120300310289 has 2 divisors, whose sum is σ = 20120300310290. Its totient is φ = 20120300310288.

The previous prime is 20120300310269. The next prime is 20120300310317. The reversal of 20120300310289 is 98201300302102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17292831156225 + 2827469154064 = 4158465^2 + 1681508^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120300310289 - 2²⁷ = 20120166092561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20120300310289.

It is not a weakly prime, because it can be changed into another prime (20120300310259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060150155144 + 10060150155145.

It is an arithmetic number, because the mean of its divisors is an integer number (10060150155145).

Almost surely, 2^{20120300310289} is an apocalyptic number.

It is an amenable number.

20120300310289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120300310289 is an equidigital number, since it uses as much as digits as its factorization.

20120300310289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20120300310289 in words is "twenty trillion, one hundred twenty billion, three hundred million, three hundred ten thousand, two hundred eighty-nine".