211230342444 has 24 divisors (see below), whose sum is σ = 537677235648. Its totient is φ = 64009194640.

The previous prime is 211230342443. The next prime is 211230342451. The reversal of 211230342444 is 444243032112.

It is not an unprimeable number, because it can be changed into a prime (211230342443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800114802 + ... + 800115065.

It is an arithmetic number, because the mean of its divisors is an integer number (22403218152).

Almost surely, 2^211230342444 is an apocalyptic number.

It is an amenable number.

211230342444 is an abundant number, since it is smaller than the sum of its proper divisors (326446893204).

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

211230342444 is a wasteful number, since it uses less digits than its factorization.

211230342444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600229885 (or 1600229883 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 211230342444 its reverse (444243032112), we get a palindrome (655473374556).

The spelling of 211230342444 in words is "two hundred eleven billion, two hundred thirty million, three hundred forty-two thousand, four hundred forty-four".