142247265412 has 12 divisors (see below), whose sum is σ = 284494530880. Its totient is φ = 60963113736.

The previous prime is 142247265403. The next prime is 142247265437. The reversal of 142247265412 is 214562742241.

It is a happy number.

142247265412 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540129712 + ... + 2540129767.

Almost surely, 2^142247265412 is an apocalyptic number.

It is an amenable number.

142247265412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142247265412 is a wasteful number, since it uses less digits than its factorization.

142247265412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080259490 (or 5080259488 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The spelling of 142247265412 in words is "one hundred forty-two billion, two hundred forty-seven million, two hundred sixty-five thousand, four hundred twelve".