103231212120000 has 1680 divisors, whose sum is σ = 388791545780352. Its totient is φ = 26153487360000.

The previous prime is 103231212119999. The next prime is 103231212120011. The reversal of 103231212120000 is 21212132301.

103231212120000 is a `hidden beast` number, since 1 + 0 + 32 + 312 + 121 + 200 + 0 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 116909639559 + ... + 116909640441.

Almost surely, 2^{103231212120000} is an apocalyptic number.

103231212120000 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 103231212120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194395772890176).

103231212120000 is an abundant number, since it is smaller than the sum of its proper divisors (285560333660352).

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

103231212120000 is a wasteful number, since it uses less digits than its factorization.

103231212120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 103231212120000 its reverse (21212132301), we get a palindrome (103252424252301).

The spelling of 103231212120000 in words is "one hundred three trillion, two hundred thirty-one billion, two hundred twelve million, one hundred twenty thousand".