212132211337 has 2 divisors, whose sum is σ = 212132211338. Its totient is φ = 212132211336.

The previous prime is 212132211311. The next prime is 212132211353. The reversal of 212132211337 is 733112231212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193293001801 + 18839209536 = 439651^2 + 137256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212132211337 is a prime.

It is not a weakly prime, because it can be changed into another prime (212132211937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106066105668 + 106066105669.

It is an arithmetic number, because the mean of its divisors is an integer number (106066105669).

Almost surely, 2^212132211337 is an apocalyptic number.

It is an amenable number.

212132211337 is a deficient number, since it is larger than the sum of its proper divisors (1).

212132211337 is an equidigital number, since it uses as much as digits as its factorization.

212132211337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

Adding to 212132211337 its reverse (733112231212), we get a palindrome (945244442549).

The spelling of 212132211337 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred eleven thousand, three hundred thirty-seven".