154121403012 has 12 divisors (see below), whose sum is σ = 359616607056. Its totient is φ = 51373801000.

The previous prime is 154121402987. The next prime is 154121403019. The reversal of 154121403012 is 210304121451.

154121403012 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 (12).

It is not an unprimeable number, because it can be changed into a prime (154121403019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6421725114 + ... + 6421725137.

It is an arithmetic number, because the mean of its divisors is an integer number (29968050588).

Almost surely, 2^154121403012 is an apocalyptic number.

154121403012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154121403012 is an abundant number, since it is smaller than the sum of its proper divisors (205495204044).

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

154121403012 is a wasteful number, since it uses less digits than its factorization.

154121403012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12843450258 (or 12843450256 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 154121403012 its reverse (210304121451), we get a palindrome (364425524463).

The spelling of 154121403012 in words is "one hundred fifty-four billion, one hundred twenty-one million, four hundred three thousand, twelve".