2112008778802 has 32 divisors (see below), whose sum is σ = 3505257855792. Its totient is φ = 948064518144.

The previous prime is 2112008778787. The next prime is 2112008778911. The reversal of 2112008778802 is 2088778002112.

It can be written as a sum of positive squares in 8 ways, for example, as 1666063959121 + 445944819681 = 1290761^2 + 667791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2098098 + ... + 2937010.

Almost surely, 2^{2112008778802} is an apocalyptic number.

2112008778802 is a deficient number, since it is larger than the sum of its proper divisors (1393249076990).

2112008778802 is a wasteful number, since it uses less digits than its factorization.

2112008778802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841582.

The product of its (nonzero) digits is 200704, while the sum is 46.

It can be divided in two parts, 2112008 and 778802, that added together give a triangular number (2890810 = T₂₄₀₄).

The spelling of 2112008778802 in words is "two trillion, one hundred twelve billion, eight million, seven hundred seventy-eight thousand, eight hundred two".