1143121442412 has 12 divisors (see below), whose sum is σ = 2667283365656. Its totient is φ = 381040480800.

The previous prime is 1143121442401. The next prime is 1143121442423. The reversal of 1143121442412 is 2142441213411.

It is an interprime number because it is at equal distance from previous prime (1143121442401) and next prime (1143121442423).

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1143121442412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47630060089 + ... + 47630060112.

Almost surely, 2^{1143121442412} is an apocalyptic number.

1143121442412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143121442412 is an abundant number, since it is smaller than the sum of its proper divisors (1524161923244).

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

1143121442412 is a wasteful number, since it uses less digits than its factorization.

1143121442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95260120208 (or 95260120206 counting only the distinct ones).

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

Adding to 1143121442412 its reverse (2142441213411), we get a palindrome (3285562655823).

The spelling of 1143121442412 in words is "one trillion, one hundred forty-three billion, one hundred twenty-one million, four hundred forty-two thousand, four hundred twelve".