12011320019 has 2 divisors, whose sum is σ = 12011320020. Its totient is φ = 12011320018.

The previous prime is 12011320007. The next prime is 12011320031. The reversal of 12011320019 is 91002311021.

It is a balanced prime because it is at equal distance from previous prime (12011320007) and next prime (12011320031).

It is a cyclic number.

It is not a de Polignac number, because 12011320019 - 2¹⁶ = 12011254483 is a prime.

It is a super-2 number, since 2×12011320019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12011320039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005660009 + 6005660010.

It is an arithmetic number, because the mean of its divisors is an integer number (6005660010).

Almost surely, 2^12011320019 is an apocalyptic number.

12011320019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011320019 is an equidigital number, since it uses as much as digits as its factorization.

12011320019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 12011320019 in words is "twelve billion, eleven million, three hundred twenty thousand, nineteen".