212012201129 has 2 divisors, whose sum is σ = 212012201130. Its totient is φ = 212012201128.

The previous prime is 212012201113. The next prime is 212012201161. The reversal of 212012201129 is 921102210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132277690000 + 79734511129 = 363700^2 + 282373^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012201129 - 2⁴ = 212012201113 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012201189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006100564 + 106006100565.

It is an arithmetic number, because the mean of its divisors is an integer number (106006100565).

Almost surely, 2^212012201129 is an apocalyptic number.

It is an amenable number.

212012201129 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012201129 is an equidigital number, since it uses as much as digits as its factorization.

212012201129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 212012201129 in words is "two hundred twelve billion, twelve million, two hundred one thousand, one hundred twenty-nine".