212040229 has 8 divisors (see below), whose sum is σ = 219889280. Its totient is φ = 204302736.

The previous prime is 212040223. The next prime is 212040263. The reversal of 212040229 is 922040212.

212040229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212040229 - 2³ = 212040221 is a prime.

It is a super-2 number, since 2×212040229² = 89922117428744882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212040221) 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, 24009 + ... + 31630.

It is an arithmetic number, because the mean of its divisors is an integer number (27486160).

Almost surely, 2^212040229 is an apocalyptic number.

It is an amenable number.

212040229 is a deficient number, since it is larger than the sum of its proper divisors (7849051).

212040229 is a wasteful number, since it uses less digits than its factorization.

212040229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55779.

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

The square root of 212040229 is about 14561.6011825623. The cubic root of 212040229 is about 596.3109095437.

The spelling of 212040229 in words is "two hundred twelve million, forty thousand, two hundred twenty-nine".