1232143012100 has 432 divisors, whose sum is σ = 3626788704000. Its totient is φ = 353556403200.

The previous prime is 1232143012099. The next prime is 1232143012103. The reversal of 1232143012100 is 12103412321.

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

It is not an unprimeable number, because it can be changed into a prime (1232143012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 483381626 + ... + 483384174.

Almost surely, 2^{1232143012100} is an apocalyptic number.

1232143012100 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 1232143012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813394352000).

1232143012100 is an abundant number, since it is smaller than the sum of its proper divisors (2394645691900).

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

1232143012100 is a wasteful number, since it uses less digits than its factorization.

1232143012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044 (or 3026 counting only the distinct ones).

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

Adding to 1232143012100 its reverse (12103412321), we get a palindrome (1244246424421).

The spelling of 1232143012100 in words is "one trillion, two hundred thirty-two billion, one hundred forty-three million, twelve thousand, one hundred".