142000012 has 48 divisors (see below), whose sum is σ = 311173632. Its totient is φ = 55082880.

The previous prime is 142000003. The next prime is 142000039. The reversal of 142000012 is 210000241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80128 + ... + 81880.

It is an arithmetic number, because the mean of its divisors is an integer number (6482784).

Almost surely, 2^142000012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155586816).

142000012 is an abundant number, since it is smaller than the sum of its proper divisors (169173620).

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

142000012 is a wasteful number, since it uses less digits than its factorization.

142000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 142000012 is about 11916.3757913218. The cubic root of 142000012 is about 521.7103593237.

Adding to 142000012 its reverse (210000241), we get a palindrome (352000253).

The spelling of 142000012 in words is "one hundred forty-two million, twelve", and thus it is an aban number.