142012451422 has 8 divisors (see below), whose sum is σ = 213167958696. Its totient is φ = 70956465192.

The previous prime is 142012451419. The next prime is 142012451429. The reversal of 142012451422 is 224154210241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012451429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24876693 + ... + 24882400.

It is an arithmetic number, because the mean of its divisors is an integer number (26645994837).

Almost surely, 2^142012451422 is an apocalyptic number.

142012451422 is a deficient number, since it is larger than the sum of its proper divisors (71155507274).

142012451422 is a wasteful number, since it uses less digits than its factorization.

142012451422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49760522.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 142012451422 its reverse (224154210241), we get a palindrome (366166661663).

The spelling of 142012451422 in words is "one hundred forty-two billion, twelve million, four hundred fifty-one thousand, four hundred twenty-two".