142812012 has 24 divisors (see below), whose sum is σ = 380832256. Its totient is φ = 40803408.

The previous prime is 142812011. The next prime is 142812049. The reversal of 142812012 is 210218241.

142812012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 142812012.

It is not an unprimeable number, because it can be changed into a prime (142812011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849988 + ... + 850155.

Almost surely, 2^142812012 is an apocalyptic number.

142812012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142812012 is an abundant number, since it is smaller than the sum of its proper divisors (238020244).

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

142812012 is a wasteful number, since it uses less digits than its factorization.

142812012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700157 (or 1700155 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 142812012 is about 11950.3979850045. The cubic root of 142812012 is about 522.7029035756.

The spelling of 142812012 in words is "one hundred forty-two million, eight hundred twelve thousand, twelve".