20123122000001 has 2 divisors, whose sum is σ = 20123122000002. Its totient is φ = 20123122000000.

The previous prime is 20123121999979. The next prime is 20123122000027. The reversal of 20123122000001 is 10000022132102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15725507491600 + 4397614508401 = 3965540^2 + 2097049^2 .

It is a cyclic number.

It is not a de Polignac number, because 20123122000001 - 2⁴² = 15725075488897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20123122000001.

It is not a weakly prime, because it can be changed into another prime (20123122000061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061561000000 + 10061561000001.

It is an arithmetic number, because the mean of its divisors is an integer number (10061561000001).

Almost surely, 2^{20123122000001} is an apocalyptic number.

It is an amenable number.

20123122000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123122000001 is an equidigital number, since it uses as much as digits as its factorization.

20123122000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20123122000001 its reverse (10000022132102), we get a palindrome (30123144132103).

The spelling of 20123122000001 in words is "twenty trillion, one hundred twenty-three billion, one hundred twenty-two million, one", and thus it is an aban number.