212144233244 has 6 divisors (see below), whose sum is σ = 371252408184. Its totient is φ = 106072116620.

The previous prime is 212144233229. The next prime is 212144233267. The reversal of 212144233244 is 442332441212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212144233244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26518029152 + ... + 26518029159.

It is an arithmetic number, because the mean of its divisors is an integer number (61875401364).

Almost surely, 2^212144233244 is an apocalyptic number.

It is an amenable number.

212144233244 is a deficient number, since it is larger than the sum of its proper divisors (159108174940).

212144233244 is a wasteful number, since it uses less digits than its factorization.

212144233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53036058315 (or 53036058313 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 212144233244 its reverse (442332441212), we get a palindrome (654476674456).

The spelling of 212144233244 in words is "two hundred twelve billion, one hundred forty-four million, two hundred thirty-three thousand, two hundred forty-four".