2012878080 has 144 divisors (see below), whose sum is σ = 7143044160. Its totient is φ = 536758272.

The previous prime is 2012878073. The next prime is 2012878099. The reversal of 2012878080 is 808782102.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5439 + ... + 63681.

Almost surely, 2^2012878080 is an apocalyptic number.

2012878080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012878080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571522080).

2012878080 is an abundant number, since it is smaller than the sum of its proper divisors (5130166080).

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

2012878080 is an equidigital number, since it uses as much as digits as its factorization.

2012878080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58273 (or 58253 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 2012878080 is about 44865.1098293540. The cubic root of 2012878080 is about 1262.6194937056.

The spelling of 2012878080 in words is "two billion, twelve million, eight hundred seventy-eight thousand, eighty".