212140151 has 2 divisors, whose sum is σ = 212140152. Its totient is φ = 212140150.

The previous prime is 212140141. The next prime is 212140153. The reversal of 212140151 is 151041212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212140151 - 2⁶ = 212140087 is a prime.

Together with 212140153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212140153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106070075 + 106070076.

It is an arithmetic number, because the mean of its divisors is an integer number (106070076).

Almost surely, 2^212140151 is an apocalyptic number.

212140151 is a deficient number, since it is larger than the sum of its proper divisors (1).

212140151 is an equidigital number, since it uses as much as digits as its factorization.

212140151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 212140151 is about 14565.0317884995. The cubic root of 212140151 is about 596.4045635040.

Adding to 212140151 its reverse (151041212), we get a palindrome (363181363).

The spelling of 212140151 in words is "two hundred twelve million, one hundred forty thousand, one hundred fifty-one".