212102220013919 has 2 divisors, whose sum is σ = 212102220013920. Its totient is φ = 212102220013918.

The previous prime is 212102220013891. The next prime is 212102220013967. The reversal of 212102220013919 is 919310022201212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212102220013919 is a prime.

It is a super-2 number, since 2×212102220013919² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102220013979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051110006959 + 106051110006960.

It is an arithmetic number, because the mean of its divisors is an integer number (106051110006960).

Almost surely, 2^{212102220013919} is an apocalyptic number.

212102220013919 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102220013919 is an equidigital number, since it uses as much as digits as its factorization.

212102220013919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 212102220013919 in words is "two hundred twelve trillion, one hundred two billion, two hundred twenty million, thirteen thousand, nine hundred nineteen".