2012123454000 has 160 divisors (see below), whose sum is σ = 7076821340160. Its totient is φ = 487787488000.

The previous prime is 2012123453987. The next prime is 2012123454017. The reversal of 2012123454000 is 4543212102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15177360 + ... + 15309359.

It is an arithmetic number, because the mean of its divisors is an integer number (44230133376).

Almost surely, 2^{2012123454000} is an apocalyptic number.

2012123454000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012123454000 is an abundant number, since it is smaller than the sum of its proper divisors (5064697886160).

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

2012123454000 is a wasteful number, since it uses less digits than its factorization.

2012123454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30486756 (or 30486740 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 2012123454000 its reverse (4543212102), we get a palindrome (2016666666102).

The spelling of 2012123454000 in words is "two trillion, twelve billion, one hundred twenty-three million, four hundred fifty-four thousand".