12031950720 has 128 divisors (see below), whose sum is σ = 38691937440. Its totient is φ = 3180068864.

The previous prime is 12031950691. The next prime is 12031950727. The reversal of 12031950720 is 2705913021.

12031950720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031950727) 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 15 ways as a sum of consecutive naturals, for example, 189232 + ... + 244688.

Almost surely, 2^12031950720 is an apocalyptic number.

12031950720 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 12031950720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19345968720).

12031950720 is an abundant number, since it is smaller than the sum of its proper divisors (26659986720).

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

12031950720 is a wasteful number, since it uses less digits than its factorization.

12031950720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55592 (or 55580 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

It can be divided in two parts, 120 and 31950720, that multiplied together give a square (3834086400 = 61920²).

The spelling of 12031950720 in words is "twelve billion, thirty-one million, nine hundred fifty thousand, seven hundred twenty".