1211034200144 has 10 divisors (see below), whose sum is σ = 2346378762810. Its totient is φ = 605517100064.

The previous prime is 1211034200141. The next prime is 1211034200161. The reversal of 1211034200144 is 4410024301121.

It can be written as a sum of positive squares in only one way, i.e., 819894030400 + 391140169744 = 905480^2 + 625412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211034200141) by changing a digit.

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 as a sum of consecutive naturals, namely, 37844818739 + ... + 37844818770.

It is an arithmetic number, because the mean of its divisors is an integer number (234637876281).

Almost surely, 2^{1211034200144} is an apocalyptic number.

It is an amenable number.

1211034200144 is a deficient number, since it is larger than the sum of its proper divisors (1135344562666).

1211034200144 is an equidigital number, since it uses as much as digits as its factorization.

1211034200144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75689637517 (or 75689637511 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1211034200144 its reverse (4410024301121), we get a palindrome (5621058501265).

The spelling of 1211034200144 in words is "one trillion, two hundred eleven billion, thirty-four million, two hundred thousand, one hundred forty-four".