203312010012012 has 144 divisors (see below), whose sum is σ = 571340829346560. Its totient is φ = 60435158659200.

The previous prime is 203312010012011. The next prime is 203312010012061. The reversal of 203312010012012 is 210210010213302.

203312010012012 is a `hidden beast` number, since 2 + 0 + 331 + 201 + 0 + 0 + 120 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203312010012011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104204289 + ... + 106137447.

It is an arithmetic number, because the mean of its divisors is an integer number (3967644648240).

Almost surely, 2^{203312010012012} is an apocalyptic number.

203312010012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203312010012012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285670414673280).

203312010012012 is an abundant number, since it is smaller than the sum of its proper divisors (368028819334548).

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

203312010012012 is a wasteful number, since it uses less digits than its factorization.

203312010012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938244 (or 1938239 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 203312010012012 its reverse (210210010213302), we get a palindrome (413522020225314).

The spelling of 203312010012012 in words is "two hundred three trillion, three hundred twelve billion, ten million, twelve thousand, twelve".