212213103144 has 96 divisors (see below), whose sum is σ = 620075959200. Its totient is φ = 60344887680.

The previous prime is 212213103143. The next prime is 212213103229. The reversal of 212213103144 is 441301312212.

It is a super-2 number, since 2×212213103144² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212213103143) 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, 179479 + ... + 675750.

It is an arithmetic number, because the mean of its divisors is an integer number (6459124575).

Almost surely, 2^212213103144 is an apocalyptic number.

212213103144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212213103144 is an abundant number, since it is smaller than the sum of its proper divisors (407862856056).

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

212213103144 is a wasteful number, since it uses less digits than its factorization.

212213103144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855463 (or 855452 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 212213103144 its reverse (441301312212), we get a palindrome (653514415356).

The spelling of 212213103144 in words is "two hundred twelve billion, two hundred thirteen million, one hundred three thousand, one hundred forty-four".