203320211031012 has 48 divisors (see below), whose sum is σ = 487270941772160. Its totient is φ = 65936936881152.

The previous prime is 203320211030999. The next prime is 203320211031071. The reversal of 203320211031012 is 210130112023302.

It is a self number, because there is not a number n which added to its sum of digits gives 203320211031012.

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, 10334893 + ... + 22659444.

Almost surely, 2^{203320211031012} is an apocalyptic number.

It is an amenable number.

203320211031012 is an abundant number, since it is smaller than the sum of its proper divisors (283950730741148).

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

203320211031012 is a wasteful number, since it uses less digits than its factorization.

203320211031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33008260 (or 33008258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203320211031012 its reverse (210130112023302), we get a palindrome (413450323054314).

The spelling of 203320211031012 in words is "two hundred three trillion, three hundred twenty billion, two hundred eleven million, thirty-one thousand, twelve".