12031423210100 has 36 divisors (see below), whose sum is σ = 29837929562784. Its totient is φ = 4125059386080.

The previous prime is 12031423210099. The next prime is 12031423210109. The reversal of 12031423210100 is 101232413021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031423210109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8593873022 + ... + 8593874421.

It is an arithmetic number, because the mean of its divisors is an integer number (828831376744).

Almost surely, 2^{12031423210100} is an apocalyptic number.

12031423210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031423210100 is an abundant number, since it is smaller than the sum of its proper divisors (17806506352684).

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

12031423210100 is a wasteful number, since it uses less digits than its factorization.

12031423210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17187747464 (or 17187747457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12031423210100 its reverse (101232413021), we get a palindrome (12132655623121).

The spelling of 12031423210100 in words is "twelve trillion, thirty-one billion, four hundred twenty-three million, two hundred ten thousand, one hundred".