212945871033 has 24 divisors (see below), whose sum is σ = 351832074048. Its totient is φ = 121578684192.

The previous prime is 212945871031. The next prime is 212945871043. The reversal of 212945871033 is 330178549212.

It is a happy number.

212945871033 is a `hidden beast` number, since 2 + 1 + 29 + 4 + 587 + 10 + 33 = 666.

It is not a de Polignac number, because 212945871033 - 2¹ = 212945871031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212945871033.

It is not an unprimeable number, because it can be changed into a prime (212945871031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379910 + ... + 1526447.

It is an arithmetic number, because the mean of its divisors is an integer number (14659669752).

Almost surely, 2^212945871033 is an apocalyptic number.

It is an amenable number.

212945871033 is a deficient number, since it is larger than the sum of its proper divisors (138886203015).

212945871033 is a wasteful number, since it uses less digits than its factorization.

212945871033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907533 (or 2907530 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 212945871033 in words is "two hundred twelve billion, nine hundred forty-five million, eight hundred seventy-one thousand, thirty-three".