212110212010913 has 2 divisors, whose sum is σ = 212110212010914. Its totient is φ = 212110212010912.

The previous prime is 212110212010891. The next prime is 212110212011101. The reversal of 212110212010913 is 319010212011212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209567807272849 + 2542404738064 = 14476457^2 + 1594492^2 .

It is a cyclic number.

It is not a de Polignac number, because 212110212010913 - 2⁸ = 212110212010657 is a prime.

It is a super-2 number, since 2×212110212010913² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212110212010013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055106005456 + 106055106005457.

It is an arithmetic number, because the mean of its divisors is an integer number (106055106005457).

Almost surely, 2^{212110212010913} is an apocalyptic number.

It is an amenable number.

212110212010913 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110212010913 is an equidigital number, since it uses as much as digits as its factorization.

212110212010913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 212110212010913 in words is "two hundred twelve trillion, one hundred ten billion, two hundred twelve million, ten thousand, nine hundred thirteen".