154910517120012 has 12 divisors (see below), whose sum is σ = 361457873280056. Its totient is φ = 51636839040000.

The previous prime is 154910517120011. The next prime is 154910517120049. The reversal of 154910517120012 is 210021715019451.

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 (154910517120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454604879989 + ... + 6454604880012.

Almost surely, 2^{154910517120012} is an apocalyptic number.

154910517120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154910517120012 is an abundant number, since it is smaller than the sum of its proper divisors (206547356160044).

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

154910517120012 is a wasteful number, since it uses less digits than its factorization.

154910517120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909209760008 (or 12909209760006 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 154910517120012 in words is "one hundred fifty-four trillion, nine hundred ten billion, five hundred seventeen million, one hundred twenty thousand, twelve".