212152411 has 12 divisors (see below), whose sum is σ = 218755080. Its totient is φ = 205739520.

The previous prime is 212152403. The next prime is 212152417. The reversal of 212152411 is 114251212.

It is not a de Polignac number, because 212152411 - 2³ = 212152403 is a prime.

It is a super-2 number, since 2×212152411² = 90017290986225842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212152417) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 330651 + ... + 331291.

It is an arithmetic number, because the mean of its divisors is an integer number (18229590).

Almost surely, 2^212152411 is an apocalyptic number.

212152411 is a deficient number, since it is larger than the sum of its proper divisors (6602669).

212152411 is an equidigital number, since it uses as much as digits as its factorization.

212152411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 863 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 212152411 is about 14565.4526534537. The cubic root of 212152411 is about 596.4160524168.

The spelling of 212152411 in words is "two hundred twelve million, one hundred fifty-two thousand, four hundred eleven".