12051400032 has 72 divisors (see below), whose sum is σ = 39167056656. Its totient is φ = 3443256576.

The previous prime is 12051400019. The next prime is 12051400037. The reversal of 12051400032 is 23000415021.

12051400032 is a `hidden beast` number, since 120 + 514 + 0 + 0 + 0 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 12051399978 and 12051400014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051400037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2986923 + ... + 2990954.

It is an arithmetic number, because the mean of its divisors is an integer number (543986898).

Almost surely, 2^12051400032 is an apocalyptic number.

12051400032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12051400032 is an abundant number, since it is smaller than the sum of its proper divisors (27115656624).

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

12051400032 is a wasteful number, since it uses less digits than its factorization.

12051400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977900 (or 5977889 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12051400032 its reverse (23000415021), we get a palindrome (35051815053).

The spelling of 12051400032 in words is "twelve billion, fifty-one million, four hundred thousand, thirty-two".