20120112102019 has 2 divisors, whose sum is σ = 20120112102020. Its totient is φ = 20120112102018.

The previous prime is 20120112102007. The next prime is 20120112102037. The reversal of 20120112102019 is 91020121102102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120112102019 - 2¹⁵ = 20120112069251 is a prime.

It is a super-2 number, since 2×20120112102019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20120112106019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060056051009 + 10060056051010.

It is an arithmetic number, because the mean of its divisors is an integer number (10060056051010).

Almost surely, 2^{20120112102019} is an apocalyptic number.

20120112102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120112102019 is an equidigital number, since it uses as much as digits as its factorization.

20120112102019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 20120112102019 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred two thousand, nineteen".