2106776012 has 96 divisors (see below), whose sum is σ = 4353350400. Its totient is φ = 889320960.

The previous prime is 2106775973. The next prime is 2106776033.

2106776012 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2106776012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5968028 + ... + 5968380.

It is an arithmetic number, because the mean of its divisors is an integer number (45347400).

Almost surely, 2^2106776012 is an apocalyptic number.

2106776012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2106776012 is an abundant number, since it is smaller than the sum of its proper divisors (2246574388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106776012 is a wasteful number, since it uses less digits than its factorization.

2106776012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 2106776012 is about 45899.6297588554. The cubic root of 2106776012 is about 1281.9550227073.

It can be divided in two parts, 21067 and 76012, that added together give a palindrome (97079).

The spelling of 2106776012 in words is "two billion, one hundred six million, seven hundred seventy-six thousand, twelve".