2112012119977 has 4 divisors (see below), whose sum is σ = 2112056629956. Its totient is φ = 2111967610000.

The previous prime is 2112012119963. The next prime is 2112012119981. The reversal of 2112012119977 is 7799112102112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 771277394176 + 1340734725801 = 878224^2 + 1157901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112012119977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112012159977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22183738 + ... + 22278739.

It is an arithmetic number, because the mean of its divisors is an integer number (528014157489).

Almost surely, 2^{2112012119977} is an apocalyptic number.

It is an amenable number.

2112012119977 is a deficient number, since it is larger than the sum of its proper divisors (44509979).

2112012119977 is an equidigital number, since it uses as much as digits as its factorization.

2112012119977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44509978.

The product of its (nonzero) digits is 31752, while the sum is 43.

The spelling of 2112012119977 in words is "two trillion, one hundred twelve billion, twelve million, one hundred nineteen thousand, nine hundred seventy-seven".