2154255012 has 108 divisors (see below), whose sum is σ = 6821880156. Its totient is φ = 568149120.

The previous prime is 2154255001. The next prime is 2154255031. The reversal of 2154255012 is 2105524512.

2154255012 is a `hidden beast` number, since 2 + 154 + 2 + 5 + 501 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 418366116 + 1735888896 = 20454^2 + 41664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24039 + ... + 69902.

It is an arithmetic number, because the mean of its divisors is an integer number (63165557).

Almost surely, 2^2154255012 is an apocalyptic number.

It is an amenable number.

2154255012 is an abundant number, since it is smaller than the sum of its proper divisors (4667625144).

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

2154255012 is a wasteful number, since it uses less digits than its factorization.

2154255012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93978 (or 93966 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2154255012 is about 46413.9527728462. The cubic root of 2154255012 is about 1291.5137592999.

Adding to 2154255012 its reverse (2105524512), we get a palindrome (4259779524).

The spelling of 2154255012 in words is "two billion, one hundred fifty-four million, two hundred fifty-five thousand, twelve".