212213310120 has 144 divisors (see below), whose sum is σ = 802296305460. Its totient is φ = 48505895424.

The previous prime is 212213310109. The next prime is 212213310139. The reversal of 212213310120 is 21013312212.

212213310120 is a `hidden beast` number, since 21 + 2 + 213 + 310 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200039718564 + 12173591556 = 447258^2 + 110334^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212213310093 and 212213310102.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5997477 + ... + 6032756.

Almost surely, 2^212213310120 is an apocalyptic number.

212213310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212213310120 is an abundant number, since it is smaller than the sum of its proper divisors (590082995340).

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

212213310120 is a wasteful number, since it uses less digits than its factorization.

212213310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12030264 (or 12030250 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212213310120 its reverse (21013312212), we get a palindrome (233226622332).

The spelling of 212213310120 in words is "two hundred twelve billion, two hundred thirteen million, three hundred ten thousand, one hundred twenty".