201212031444 has 48 divisors (see below), whose sum is σ = 492443067648. Its totient is φ = 63869482368.

The previous prime is 201212031437. The next prime is 201212031479. The reversal of 201212031444 is 444130212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800199 + ... + 4841934.

It is an arithmetic number, because the mean of its divisors is an integer number (10259230576).

Almost surely, 2^201212031444 is an apocalyptic number.

It is an amenable number.

201212031444 is an abundant number, since it is smaller than the sum of its proper divisors (291231036204).

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

201212031444 is a wasteful number, since it uses less digits than its factorization.

201212031444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642224 (or 9642222 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 201212031444 its reverse (444130212102), we get a palindrome (645342243546).

The spelling of 201212031444 in words is "two hundred one billion, two hundred twelve million, thirty-one thousand, four hundred forty-four".