203212142342 has 32 divisors (see below), whose sum is σ = 334603609344. Its totient is φ = 91794175200.

The previous prime is 203212142323. The next prime is 203212142377. The reversal of 203212142342 is 243241212302.

It is a congruent number.

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, 3110303 + ... + 3174965.

It is an arithmetic number, because the mean of its divisors is an integer number (10456362792).

Almost surely, 2^203212142342 is an apocalyptic number.

203212142342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203212142342 is a deficient number, since it is larger than the sum of its proper divisors (131391467002).

203212142342 is a wasteful number, since it uses less digits than its factorization.

203212142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65564.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 203212142342 its reverse (243241212302), we get a palindrome (446453354644).

The spelling of 203212142342 in words is "two hundred three billion, two hundred twelve million, one hundred forty-two thousand, three hundred forty-two".