203112201102132 has 72 divisors (see below), whose sum is σ = 551307134562240. Its totient is φ = 58031784961920.

The previous prime is 203112201102073. The next prime is 203112201102179. The reversal of 203112201102132 is 231201102211302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 203112201102099 and 203112201102108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147590457 + ... + 148960287.

Almost surely, 2^{203112201102132} is an apocalyptic number.

It is an amenable number.

203112201102132 is an abundant number, since it is smaller than the sum of its proper divisors (348194933460108).

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

203112201102132 is a wasteful number, since it uses less digits than its factorization.

203112201102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622021 (or 1622012 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203112201102132 its reverse (231201102211302), we get a palindrome (434313303313434).

The spelling of 203112201102132 in words is "two hundred three trillion, one hundred twelve billion, two hundred one million, one hundred two thousand, one hundred thirty-two".