2012154061260 has 96 divisors (see below), whose sum is σ = 6443936916480. Its totient is φ = 459560648448.

The previous prime is 2012154061219. The next prime is 2012154061261. The reversal of 2012154061260 is 621604512102.

It is a super-2 number, since 2×2012154061260² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2012154061261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1339480 + ... + 2412159.

It is an arithmetic number, because the mean of its divisors is an integer number (67124342880).

Almost surely, 2^{2012154061260} is an apocalyptic number.

2012154061260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012154061260 is an abundant number, since it is smaller than the sum of its proper divisors (4431782855220).

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

2012154061260 is a wasteful number, since it uses less digits than its factorization.

2012154061260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752935 (or 3752933 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 2012154061260 its reverse (621604512102), we get a palindrome (2633758573362).

The spelling of 2012154061260 in words is "two trillion, twelve billion, one hundred fifty-four million, sixty-one thousand, two hundred sixty".