12431212040100 has 288 divisors, whose sum is σ = 44152396288000. Its totient is φ = 2691871056000.

The previous prime is 12431212040083. The next prime is 12431212040167. The reversal of 12431212040100 is 104021213421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1224076 + ... + 5134275.

Almost surely, 2^{12431212040100} is an apocalyptic number.

12431212040100 is a gapful number since it is divisible by the number (10) 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 12431212040100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22076198144000).

12431212040100 is an abundant number, since it is smaller than the sum of its proper divisors (31721184247900).

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

12431212040100 is a wasteful number, since it uses less digits than its factorization.

12431212040100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358408 (or 6358387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12431212040100 its reverse (104021213421), we get a palindrome (12535233253521).

The spelling of 12431212040100 in words is "twelve trillion, four hundred thirty-one billion, two hundred twelve million, forty thousand, one hundred".