212026155 has 32 divisors (see below), whose sum is σ = 370759680. Its totient is φ = 102612480.

The previous prime is 212026127. The next prime is 212026183. The reversal of 212026155 is 551620212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212026127) and next prime (212026183).

It is not a de Polignac number, because 212026155 - 2⁷ = 212026027 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141651 + ... + 143139.

It is an arithmetic number, because the mean of its divisors is an integer number (11586240).

Almost surely, 2^212026155 is an apocalyptic number.

212026155 is a deficient number, since it is larger than the sum of its proper divisors (158733525).

212026155 is a wasteful number, since it uses less digits than its factorization.

212026155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 212026155 is about 14561.1179172480. The cubic root of 212026155 is about 596.2977160324.

Adding to 212026155 its reverse (551620212), we get a palindrome (763646367).

The spelling of 212026155 in words is "two hundred twelve million, twenty-six thousand, one hundred fifty-five".