2012154534 has 40 divisors (see below), whose sum is σ = 4855546080. Its totient is φ = 619123824.

The previous prime is 2012154533. The next prime is 2012154539. The reversal of 2012154534 is 4354512102.

2012154534 is a `hidden beast` number, since 2 + 0 + 121 + 5 + 4 + 534 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2012154498 and 2012154507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012154533) 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 19 ways as a sum of consecutive naturals, for example, 475614 + ... + 479825.

It is an arithmetic number, because the mean of its divisors is an integer number (121388652).

Almost surely, 2^2012154534 is an apocalyptic number.

2012154534 is an abundant number, since it is smaller than the sum of its proper divisors (2843391546).

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

2012154534 is a wasteful number, since it uses less digits than its factorization.

2012154534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955466 (or 955457 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2012154534 is about 44857.0455335614. The cubic root of 2012154534 is about 1262.4681891668.

Adding to 2012154534 its reverse (4354512102), we get a palindrome (6366666636).

The spelling of 2012154534 in words is "two billion, twelve million, one hundred fifty-four thousand, five hundred thirty-four".