211212201007 has 2 divisors, whose sum is σ = 211212201008. Its totient is φ = 211212201006.

The previous prime is 211212200963. The next prime is 211212201029. The reversal of 211212201007 is 700102212112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211212201007 is a prime.

It is a super-2 number, since 2×211212201007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211212201097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105606100503 + 105606100504.

It is an arithmetic number, because the mean of its divisors is an integer number (105606100504).

Almost surely, 2^211212201007 is an apocalyptic number.

211212201007 is a deficient number, since it is larger than the sum of its proper divisors (1).

211212201007 is an equidigital number, since it uses as much as digits as its factorization.

211212201007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 211212201007 its reverse (700102212112), we get a palindrome (911314413119).

The spelling of 211212201007 in words is "two hundred eleven billion, two hundred twelve million, two hundred one thousand, seven".