1142101031212 has 12 divisors (see below), whose sum is σ = 2007254818296. Its totient is φ = 568599654560.

The previous prime is 1142101031143. The next prime is 1142101031221. The reversal of 1142101031212 is 2121301012411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142101031212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612714214 + ... + 612716077.

It is an arithmetic number, because the mean of its divisors is an integer number (167271234858).

Almost surely, 2^{1142101031212} is an apocalyptic number.

It is an amenable number.

1142101031212 is a deficient number, since it is larger than the sum of its proper divisors (865153787084).

1142101031212 is a wasteful number, since it uses less digits than its factorization.

1142101031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225430528 (or 1225430526 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1142101031212 its reverse (2121301012411), we get a palindrome (3263402043623).

The spelling of 1142101031212 in words is "one trillion, one hundred forty-two billion, one hundred one million, thirty-one thousand, two hundred twelve".