1143121140212 has 6 divisors (see below), whose sum is σ = 2000461995378. Its totient is φ = 571560570104.

The previous prime is 1143121140149. The next prime is 1143121140223. The reversal of 1143121140212 is 2120411213411.

It can be written as a sum of positive squares in only one way, i.e., 1137093791716 + 6027348496 = 1066346^2 + 77636^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 142890142523 + ... + 142890142530.

It is an arithmetic number, because the mean of its divisors is an integer number (333410332563).

Almost surely, 2^{1143121140212} is an apocalyptic number.

It is an amenable number.

1143121140212 is a deficient number, since it is larger than the sum of its proper divisors (857340855166).

1143121140212 is a wasteful number, since it uses less digits than its factorization.

1143121140212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285780285057 (or 285780285055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1143121140212 its reverse (2120411213411), we get a palindrome (3263532353623).

The spelling of 1143121140212 in words is "one trillion, one hundred forty-three billion, one hundred twenty-one million, one hundred forty thousand, two hundred twelve".