1020142142312 has 8 divisors (see below), whose sum is σ = 1912766516850. Its totient is φ = 510071071152.

The previous prime is 1020142142311. The next prime is 1020142142339. The reversal of 1020142142312 is 2132412410201.

1020142142312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 996015976036 + 24126166276 = 998006^2 + 155326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1020142142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63758883887 + ... + 63758883902.

Almost surely, 2^{1020142142312} is an apocalyptic number.

It is an amenable number.

1020142142312 is a deficient number, since it is larger than the sum of its proper divisors (892624374538).

1020142142312 is a wasteful number, since it uses less digits than its factorization.

1020142142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127517767795 (or 127517767791 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1020142142312 its reverse (2132412410201), we get a palindrome (3152554552513).

The spelling of 1020142142312 in words is "one trillion, twenty billion, one hundred forty-two million, one hundred forty-two thousand, three hundred twelve".