142012200 has 96 divisors (see below), whose sum is σ = 480281760. Its totient is φ = 34425600.

The previous prime is 142012183. The next prime is 142012201. The reversal of 142012200 is 2210241.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (142012201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4159 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (5002935).

Almost surely, 2^142012200 is an apocalyptic number.

142012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240140880).

142012200 is an abundant number, since it is smaller than the sum of its proper divisors (338269560).

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

142012200 is a wasteful number, since it uses less digits than its factorization.

142012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21547 (or 21538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 142012200 is about 11916.8871774470. The cubic root of 142012200 is about 521.7252852002.

Adding to 142012200 its reverse (2210241), we get a palindrome (144222441).

The spelling of 142012200 in words is "one hundred forty-two million, twelve thousand, two hundred".