203122202132 has 12 divisors (see below), whose sum is σ = 364133704116. Its totient is φ = 99084000960.

The previous prime is 203122202117. The next prime is 203122202141. The reversal of 203122202132 is 231202221302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77838768016 + 125283434116 = 278996^2 + 353954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619274843 + ... + 619275170.

It is an arithmetic number, because the mean of its divisors is an integer number (30344475343).

Almost surely, 2^203122202132 is an apocalyptic number.

It is an amenable number.

203122202132 is a deficient number, since it is larger than the sum of its proper divisors (161011501984).

203122202132 is a wasteful number, since it uses less digits than its factorization.

203122202132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238550058 (or 1238550056 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 203122202132 its reverse (231202221302), we get a palindrome (434324423434).

The spelling of 203122202132 in words is "two hundred three billion, one hundred twenty-two million, two hundred two thousand, one hundred thirty-two".