1211412143144 has 64 divisors (see below), whose sum is σ = 2748830981760. Its totient is φ = 488592599040.

The previous prime is 1211412143141. The next prime is 1211412143171. The reversal of 1211412143144 is 4413412141121.

It is a super-3 number, since 3×1211412143144³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211412143141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11731499 + ... + 11834309.

It is an arithmetic number, because the mean of its divisors is an integer number (42950484090).

Almost surely, 2^{1211412143144} is an apocalyptic number.

1211412143144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1211412143144 is an abundant number, since it is smaller than the sum of its proper divisors (1537418838616).

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

1211412143144 is a wasteful number, since it uses less digits than its factorization.

1211412143144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115218 (or 115214 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

Adding to 1211412143144 its reverse (4413412141121), we get a palindrome (5624824284265).

The spelling of 1211412143144 in words is "one trillion, two hundred eleven billion, four hundred twelve million, one hundred forty-three thousand, one hundred forty-four".