10203202311012 has 108 divisors (see below), whose sum is σ = 28839805387120. Its totient is φ = 3032530659072.

The previous prime is 10203202311011. The next prime is 10203202311089. The reversal of 10203202311012 is 21011320230201.

10203202311012 is a `hidden beast` number, since 1 + 0 + 20 + 320 + 2 + 311 + 0 + 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 (10203202311011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 25610218 + ... + 26005569.

Almost surely, 2^{10203202311012} is an apocalyptic number.

10203202311012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10203202311012 is an abundant number, since it is smaller than the sum of its proper divisors (18636603076108).

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

10203202311012 is a wasteful number, since it uses less digits than its factorization.

10203202311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51615850 (or 51615828 counting only the distinct ones).

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

Adding to 10203202311012 its reverse (21011320230201), we get a palindrome (31214522541213).

The spelling of 10203202311012 in words is "ten trillion, two hundred three billion, two hundred two million, three hundred eleven thousand, twelve".