1212002244444 has 48 divisors (see below), whose sum is σ = 2893925422080. Its totient is φ = 394584570240.

The previous prime is 1212002244421. The next prime is 1212002244449. The reversal of 1212002244444 is 4444422002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212002244449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12008149 + ... + 12108659.

It is an arithmetic number, because the mean of its divisors is an integer number (60290112960).

Almost surely, 2^{1212002244444} is an apocalyptic number.

It is an amenable number.

1212002244444 is an abundant number, since it is smaller than the sum of its proper divisors (1681923177636).

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

1212002244444 is a wasteful number, since it uses less digits than its factorization.

1212002244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123930 (or 123928 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 1212002244444 its reverse (4444422002121), we get a palindrome (5656424246565).

The spelling of 1212002244444 in words is "one trillion, two hundred twelve billion, two million, two hundred forty-four thousand, four hundred forty-four".