162112000211209 has 2 divisors, whose sum is σ = 162112000211210. Its totient is φ = 162112000211208.

The previous prime is 162112000211197. The next prime is 162112000211237. The reversal of 162112000211209 is 902112000211261.

It is an a-pointer prime, because the next prime (162112000211237) can be obtained adding 162112000211209 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125761085205625 + 36350915005584 = 11214325^2 + 6029172^2 .

It is a cyclic number.

It is not a de Polignac number, because 162112000211209 - 2¹³ = 162112000203017 is a prime.

It is a super-2 number, since 2×162112000211209² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162112000211299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81056000105604 + 81056000105605.

It is an arithmetic number, because the mean of its divisors is an integer number (81056000105605).

Almost surely, 2^{162112000211209} is an apocalyptic number.

It is an amenable number.

162112000211209 is a deficient number, since it is larger than the sum of its proper divisors (1).

162112000211209 is an equidigital number, since it uses as much as digits as its factorization.

162112000211209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 162112000211209 in words is "one hundred sixty-two trillion, one hundred twelve billion, two hundred eleven thousand, two hundred nine".