142212400 has 60 divisors (see below), whose sum is σ = 372737304. Its totient is φ = 51712000.

The previous prime is 142212373. The next prime is 142212419. The reversal of 142212400 is 4212241.

142212400 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 (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11761 + ... + 20560.

Almost surely, 2^142212400 is an apocalyptic number.

142212400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142212400 is an abundant number, since it is smaller than the sum of its proper divisors (230524904).

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

142212400 is a wasteful number, since it uses less digits than its factorization.

142212400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32350 (or 32339 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 142212400 is about 11925.2840637026. The cubic root of 142212400 is about 521.9703354105.

Adding to 142212400 its reverse (4212241), we get a palindrome (146424641).

The spelling of 142212400 in words is "one hundred forty-two million, two hundred twelve thousand, four hundred".