1142345122112 has 14 divisors (see below), whose sum is σ = 2266841101818. Its totient is φ = 571172561024.

The previous prime is 1142345122111. The next prime is 1142345122213. The reversal of 1142345122112 is 2112215432411.

It can be written as a sum of positive squares in only one way, i.e., 1125177833536 + 17167288576 = 1060744^2 + 131024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142345122111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8924571203 + ... + 8924571330.

Almost surely, 2^{1142345122112} is an apocalyptic number.

It is an amenable number.

1142345122112 is a deficient number, since it is larger than the sum of its proper divisors (1124495979706).

1142345122112 is an equidigital number, since it uses as much as digits as its factorization.

1142345122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849142545 (or 17849142535 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The spelling of 1142345122112 in words is "one trillion, one hundred forty-two billion, three hundred forty-five million, one hundred twenty-two thousand, one hundred twelve".