212201140312 has 16 divisors (see below), whose sum is σ = 454716729360. Its totient is φ = 90943345824.

The previous prime is 212201140309. The next prime is 212201140331. The reversal of 212201140312 is 213041102212.

It is a super-2 number, since 2×212201140312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212201140312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1894652983 + ... + 1894653094.

It is an arithmetic number, because the mean of its divisors is an integer number (28419795585).

Almost surely, 2^212201140312 is an apocalyptic number.

It is an amenable number.

212201140312 is an abundant number, since it is smaller than the sum of its proper divisors (242515589048).

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

212201140312 is a wasteful number, since it uses less digits than its factorization.

212201140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789306090 (or 3789306086 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212201140312 its reverse (213041102212), we get a palindrome (425242242524).

The spelling of 212201140312 in words is "two hundred twelve billion, two hundred one million, one hundred forty thousand, three hundred twelve".