212010023310 has 128 divisors (see below), whose sum is σ = 539869446144. Its totient is φ = 53190535680.

The previous prime is 212010023287. The next prime is 212010023371. The reversal of 212010023310 is 13320010212.

It is a super-2 number, since 2×212010023310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212010023310.

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, 78900787 + ... + 78903473.

It is an arithmetic number, because the mean of its divisors is an integer number (4217730048).

Almost surely, 2^212010023310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212010023310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269934723072).

212010023310 is an abundant number, since it is smaller than the sum of its proper divisors (327859422834).

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

212010023310 is a wasteful number, since it uses less digits than its factorization.

212010023310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212010023310 its reverse (13320010212), we get a palindrome (225330033522).

The spelling of 212010023310 in words is "two hundred twelve billion, ten million, twenty-three thousand, three hundred ten".