20120112120219 has 4 divisors (see below), whose sum is σ = 26826816160296. Its totient is φ = 13413408080144.

The previous prime is 20120112120197. The next prime is 20120112120259. The reversal of 20120112120219 is 91202121102102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20120112120219 - 2²¹ = 20120110023067 is a prime.

It is a super-2 number, since 2×20120112120219² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120112120259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353352020034 + ... + 3353352020039.

It is an arithmetic number, because the mean of its divisors is an integer number (6706704040074).

Almost surely, 2^{20120112120219} is an apocalyptic number.

20120112120219 is a deficient number, since it is larger than the sum of its proper divisors (6706704040077).

20120112120219 is an equidigital number, since it uses as much as digits as its factorization.

20120112120219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706704040076.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 20120112120219 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred nineteen".