212248011 has 16 divisors (see below), whose sum is σ = 287978400. Its totient is φ = 139023360.

The previous prime is 212247983. The next prime is 212248033. The reversal of 212248011 is 110842212.

It is not a de Polignac number, because 212248011 - 2⁷ = 212247883 is a prime.

It is a super-2 number, since 2×212248011² = 90098436346912242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212248061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59815 + ... + 63263.

It is an arithmetic number, because the mean of its divisors is an integer number (17998650).

Almost surely, 2^212248011 is an apocalyptic number.

212248011 is a deficient number, since it is larger than the sum of its proper divisors (75730389).

212248011 is a wasteful number, since it uses less digits than its factorization.

212248011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 212248011 is about 14568.7340218703. The cubic root of 212248011 is about 596.5056245191.

The spelling of 212248011 in words is "two hundred twelve million, two hundred forty-eight thousand, eleven".