1143001013212 has 48 divisors (see below), whose sum is σ = 2058701531040. Its totient is φ = 554867712000.

The previous prime is 1143001013123. The next prime is 1143001013243. The reversal of 1143001013212 is 2123101003411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143001013212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238073212 + ... + 238078012.

It is an arithmetic number, because the mean of its divisors is an integer number (42889615230).

Almost surely, 2^{1143001013212} is an apocalyptic number.

It is an amenable number.

1143001013212 is a deficient number, since it is larger than the sum of its proper divisors (915700517828).

1143001013212 is a wasteful number, since it uses less digits than its factorization.

1143001013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7942 (or 7940 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1143001013212 its reverse (2123101003411), we get a palindrome (3266102016623).

The spelling of 1143001013212 in words is "one trillion, one hundred forty-three billion, one million, thirteen thousand, two hundred twelve".