1142213420012 has 48 divisors (see below), whose sum is σ = 2428726228992. Its totient is φ = 459401891520.

The previous prime is 1142213420011. The next prime is 1142213420021. The reversal of 1142213420012 is 2100243122411.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1142213420012.

It is not an unprimeable number, because it can be changed into a prime (1142213420011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16698164 + ... + 16766427.

It is an arithmetic number, because the mean of its divisors is an integer number (50598463104).

Almost surely, 2^{1142213420012} is an apocalyptic number.

It is an amenable number.

1142213420012 is an abundant number, since it is smaller than the sum of its proper divisors (1286512808980).

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

1142213420012 is a wasteful number, since it uses less digits than its factorization.

1142213420012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33464678 (or 33464676 counting only the distinct ones).

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

Adding to 1142213420012 its reverse (2100243122411), we get a palindrome (3242456542423).

The spelling of 1142213420012 in words is "one trillion, one hundred forty-two billion, two hundred thirteen million, four hundred twenty thousand, twelve".