212160500070 has 32 divisors (see below), whose sum is σ = 509224762368. Its totient is φ = 56571737568.

The previous prime is 212160500051. The next prime is 212160500081. The reversal of 212160500070 is 70005061212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212160500070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127467 + ... + 663753.

It is an arithmetic number, because the mean of its divisors is an integer number (15913273824).

Almost surely, 2^212160500070 is an apocalyptic number.

212160500070 is an abundant number, since it is smaller than the sum of its proper divisors (297064262298).

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

212160500070 is a wasteful number, since it uses less digits than its factorization.

212160500070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549484.

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 212160500070 its reverse (70005061212), we get a palindrome (282165561282).

The spelling of 212160500070 in words is "two hundred twelve billion, one hundred sixty million, five hundred thousand, seventy".