1142142404312 has 32 divisors (see below), whose sum is σ = 2635713242400. Its totient is φ = 451836555264.

The previous prime is 1142142404303. The next prime is 1142142404369. The reversal of 1142142404312 is 2134042412411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784437737 + ... + 784439192.

It is an arithmetic number, because the mean of its divisors is an integer number (82366038825).

Almost surely, 2^{1142142404312} is an apocalyptic number.

It is an amenable number.

1142142404312 is an abundant number, since it is smaller than the sum of its proper divisors (1493570838088).

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

1142142404312 is a wasteful number, since it uses less digits than its factorization.

1142142404312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568876955 (or 1568876951 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1142142404312 its reverse (2134042412411), we get a palindrome (3276184816723).

The spelling of 1142142404312 in words is "one trillion, one hundred forty-two billion, one hundred forty-two million, four hundred four thousand, three hundred twelve".