100203420312 has 24 divisors (see below), whose sum is σ = 271384263540. Its totient is φ = 33401140080.

The previous prime is 100203420311. The next prime is 100203420329. The reversal of 100203420312 is 213024302001.

100203420312 is a `hidden beast` number, since 10 + 0 + 2 + 0 + 342 + 0 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100203420311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695857014 + ... + 695857157.

Almost surely, 2^100203420312 is an apocalyptic number.

100203420312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100203420312 is an abundant number, since it is smaller than the sum of its proper divisors (171180843228).

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

100203420312 is a wasteful number, since it uses less digits than its factorization.

100203420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391714183 (or 1391714176 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 100203420312 its reverse (213024302001), we get a palindrome (313227722313).

The spelling of 100203420312 in words is "one hundred billion, two hundred three million, four hundred twenty thousand, three hundred twelve".