212297435196 has 192 divisors, whose sum is σ = 623476998144. Its totient is φ = 54618278400.

The previous prime is 212297435183. The next prime is 212297435213. The reversal of 212297435196 is 691534792212.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100566181 + ... + 100568291.

It is an arithmetic number, because the mean of its divisors is an integer number (3247276032).

Almost surely, 2^212297435196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212297435196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311738499072).

212297435196 is an abundant number, since it is smaller than the sum of its proper divisors (411179562948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212297435196 is a wasteful number, since it uses less digits than its factorization.

212297435196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120 (or 3118 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 212297435196 in words is "two hundred twelve billion, two hundred ninety-seven million, four hundred thirty-five thousand, one hundred ninety-six".