4212156229 has 2 divisors, whose sum is σ = 4212156230. Its totient is φ = 4212156228.

The previous prime is 4212156209. The next prime is 4212156253. The reversal of 4212156229 is 9226512124.

It is a happy number.

4212156229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2537136900 + 1675019329 = 50370^2 + 40927^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212156229 - 2⁷ = 4212156101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4212156194 and 4212156203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4212156209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2106078114 + 2106078115.

It is an arithmetic number, because the mean of its divisors is an integer number (2106078115).

Almost surely, 2^4212156229 is an apocalyptic number.

It is an amenable number.

4212156229 is a deficient number, since it is larger than the sum of its proper divisors (1).

4212156229 is an equidigital number, since it uses as much as digits as its factorization.

4212156229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 4212156229 is about 64901.1265618710. The cubic root of 4212156229 is about 1614.9837504715.

The spelling of 4212156229 in words is "four billion, two hundred twelve million, one hundred fifty-six thousand, two hundred twenty-nine".