212040026 has 16 divisors (see below), whose sum is σ = 352664928. Its totient is φ = 94801200.

The previous prime is 212040001. The next prime is 212040043. The reversal of 212040026 is 620040212.

It is a junction number, because it is equal to n+sod(n) for n = 212039986 and 212040013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77660 + ... + 80343.

It is an arithmetic number, because the mean of its divisors is an integer number (22041558).

Almost surely, 2^212040026 is an apocalyptic number.

212040026 is a deficient number, since it is larger than the sum of its proper divisors (140624902).

212040026 is a wasteful number, since it uses less digits than its factorization.

212040026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158077.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 212040026 is about 14561.5942121733. The cubic root of 212040026 is about 596.3107192478.

Adding to 212040026 its reverse (620040212), we get a palindrome (832080238).

The spelling of 212040026 in words is "two hundred twelve million, forty thousand, twenty-six".