212021130270 has 32 divisors (see below), whose sum is σ = 510025918752. Its totient is φ = 56408389632.

The previous prime is 212021130203. The next prime is 212021130271. The reversal of 212021130270 is 72031120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021130271) 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, 8147947 + ... + 8173926.

It is an arithmetic number, because the mean of its divisors is an integer number (15938309961).

Almost surely, 2^212021130270 is an apocalyptic number.

212021130270 is an abundant number, since it is smaller than the sum of its proper divisors (298004788482).

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

212021130270 is a wasteful number, since it uses less digits than its factorization.

212021130270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322316.

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 212021130270 its reverse (72031120212), we get a palindrome (284052250482).

The spelling of 212021130270 in words is "two hundred twelve billion, twenty-one million, one hundred thirty thousand, two hundred seventy".