203112043221342 has 16 divisors (see below), whose sum is σ = 406242540533520. Its totient is φ = 67700938725312.

The previous prime is 203112043221323. The next prime is 203112043221371. The reversal of 203112043221342 is 243122340211302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768777367 + ... + 769041522.

It is an arithmetic number, because the mean of its divisors is an integer number (25390158783345).

Almost surely, 2^{203112043221342} is an apocalyptic number.

203112043221342 is an abundant number, since it is smaller than the sum of its proper divisors (203130497312178).

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

203112043221342 is a wasteful number, since it uses less digits than its factorization.

203112043221342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537840907.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 203112043221342 its reverse (243122340211302), we get a palindrome (446234383432644).

The spelling of 203112043221342 in words is "two hundred three trillion, one hundred twelve billion, forty-three million, two hundred twenty-one thousand, three hundred forty-two".