100043431112212 has 96 divisors (see below), whose sum is σ = 218271617222400. Its totient is φ = 39148063976448.

The previous prime is 100043431112189. The next prime is 100043431112281. The reversal of 100043431112212 is 212211134340001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772448 + ... + 14414344.

It is an arithmetic number, because the mean of its divisors is an integer number (2273662679400).

Almost surely, 2^{100043431112212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100043431112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109135808611200).

100043431112212 is an abundant number, since it is smaller than the sum of its proper divisors (118228186110188).

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

100043431112212 is a wasteful number, since it uses less digits than its factorization.

100043431112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642513 (or 11642511 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 100043431112212 its reverse (212211134340001), we get a palindrome (312254565452213).

The spelling of 100043431112212 in words is "one hundred trillion, forty-three billion, four hundred thirty-one million, one hundred twelve thousand, two hundred twelve".