1211441130444 has 48 divisors (see below), whose sum is σ = 2874834547200. Its totient is φ = 396937859136.

The previous prime is 1211441130409. The next prime is 1211441130509. The reversal of 1211441130444 is 4440311441121.

It is a super-3 number, since 3×1211441130444³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9871549 + ... + 9993515.

It is an arithmetic number, because the mean of its divisors is an integer number (59892386400).

Almost surely, 2^{1211441130444} is an apocalyptic number.

It is an amenable number.

1211441130444 is an abundant number, since it is smaller than the sum of its proper divisors (1663393416756).

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

1211441130444 is a wasteful number, since it uses less digits than its factorization.

1211441130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136062 (or 136060 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 1211441130444 its reverse (4440311441121), we get a palindrome (5651752571565).

The spelling of 1211441130444 in words is "one trillion, two hundred eleven billion, four hundred forty-one million, one hundred thirty thousand, four hundred forty-four".