12031306235352 has 96 divisors (see below), whose sum is σ = 33077519354880. Its totient is φ = 3949814658240.

The previous prime is 12031306235327. The next prime is 12031306235401. The reversal of 12031306235352 is 25353260313021.

12031306235352 is a `hidden beast` number, since 1 + 2 + 0 + 31 + 30 + 62 + 3 + 535 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24995953 + ... + 25472735.

It is an arithmetic number, because the mean of its divisors is an integer number (344557493280).

Almost surely, 2^{12031306235352} is an apocalyptic number.

12031306235352 is a gapful number since it is divisible by the number (12) 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 12031306235352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16538759677440).

12031306235352 is an abundant number, since it is smaller than the sum of its proper divisors (21046213119528).

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

12031306235352 is a wasteful number, since it uses less digits than its factorization.

12031306235352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482093 (or 482086 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 12031306235352 its reverse (25353260313021), we get a palindrome (37384566548373).

The spelling of 12031306235352 in words is "twelve trillion, thirty-one billion, three hundred six million, two hundred thirty-five thousand, three hundred fifty-two".