212132231249 has 2 divisors, whose sum is σ = 212132231250. Its totient is φ = 212132231248.

The previous prime is 212132231191. The next prime is 212132231287. The reversal of 212132231249 is 942132231212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142171981249 + 69960250000 = 377057^2 + 264500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212132231249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212132231749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066115624 + 106066115625.

It is an arithmetic number, because the mean of its divisors is an integer number (106066115625).

Almost surely, 2^212132231249 is an apocalyptic number.

It is an amenable number.

212132231249 is a deficient number, since it is larger than the sum of its proper divisors (1).

212132231249 is an equidigital number, since it uses as much as digits as its factorization.

212132231249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The spelling of 212132231249 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred forty-nine".