212202112193 has 16 divisors (see below), whose sum is σ = 228016760832. Its totient is φ = 196988352000.

The previous prime is 212202112169. The next prime is 212202112219. The reversal of 212202112193 is 391211202212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212202112193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202112093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408968 + ... + 769193.

It is an arithmetic number, because the mean of its divisors is an integer number (14251047552).

Almost surely, 2^212202112193 is an apocalyptic number.

212202112193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212202112193 is a deficient number, since it is larger than the sum of its proper divisors (15814648639).

212202112193 is a wasteful number, since it uses less digits than its factorization.

212202112193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178416.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 212202112193 in words is "two hundred twelve billion, two hundred two million, one hundred twelve thousand, one hundred ninety-three".