212037157 has 2 divisors, whose sum is σ = 212037158. Its totient is φ = 212037156.

The previous prime is 212037151. The next prime is 212037167. The reversal of 212037157 is 751730212.

212037157 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., 199120321 + 12916836 = 14111^2 + 3594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212037157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212037151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106018578 + 106018579.

It is an arithmetic number, because the mean of its divisors is an integer number (106018579).

Almost surely, 2^212037157 is an apocalyptic number.

It is an amenable number.

212037157 is a deficient number, since it is larger than the sum of its proper divisors (1).

212037157 is an equidigital number, since it uses as much as digits as its factorization.

212037157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 212037157 is about 14561.4956992749. The cubic root of 212037157 is about 596.3080297820.

Adding to 212037157 its reverse (751730212), we get a palindrome (963767369).

The spelling of 212037157 in words is "two hundred twelve million, thirty-seven thousand, one hundred fifty-seven".