12045402000 has 160 divisors (see below), whose sum is σ = 43149500160. Its totient is φ = 3212092800.

The previous prime is 12045401989. The next prime is 12045402001. The reversal of 12045402000 is 20454021.

12045402000 is a `hidden beast` number, since 12 + 0 + 454 + 0 + 200 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (12045402001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57532 + ... + 165531.

It is an arithmetic number, because the mean of its divisors is an integer number (269684376).

Almost surely, 2^12045402000 is an apocalyptic number.

12045402000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12045402000 is an abundant number, since it is smaller than the sum of its proper divisors (31104098160).

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

12045402000 is a wasteful number, since it uses less digits than its factorization.

12045402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223095 (or 223073 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 12045402000 its reverse (20454021), we get a palindrome (12065856021).

The spelling of 12045402000 in words is "twelve billion, forty-five million, four hundred two thousand".