212162026 has 16 divisors (see below), whose sum is σ = 324084168. Its totient is φ = 104140800.

The previous prime is 212162011. The next prime is 212162029. The reversal of 212162026 is 620261212.

It can be written as a sum of positive squares in 4 ways, for example, as 208831401 + 3330625 = 14451^2 + 1825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212161988 and 212162006.

It is not an unprimeable number, because it can be changed into a prime (212162029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76846 + ... + 79558.

Almost surely, 2^212162026 is an apocalyptic number.

212162026 is a deficient number, since it is larger than the sum of its proper divisors (111922142).

212162026 is a wasteful number, since it uses less digits than its factorization.

212162026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 212162026 is about 14565.7827115469. The cubic root of 212162026 is about 596.4250623760.

The spelling of 212162026 in words is "two hundred twelve million, one hundred sixty-two thousand, twenty-six".