342121200 has 60 divisors (see below), whose sum is σ = 1095932088. Its totient is φ = 91232000.

The previous prime is 342121193. The next prime is 342121223. The reversal of 342121200 is 2121243.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 342121200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141351 + ... + 143750.

Almost surely, 2^342121200 is an apocalyptic number.

342121200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342121200 is an abundant number, since it is smaller than the sum of its proper divisors (753810888).

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

342121200 is a wasteful number, since it uses less digits than its factorization.

342121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285122 (or 285111 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 342121200 is about 18496.5185913458. The cubic root of 342121200 is about 699.4016655821.

Adding to 342121200 its reverse (2121243), we get a palindrome (344242443).

The spelling of 342121200 in words is "three hundred forty-two million, one hundred twenty-one thousand, two hundred".