2012151542040 has 48 divisors (see below), whose sum is σ = 6539492512800. Its totient is φ = 536573744448.

The previous prime is 2012151541937. The next prime is 2012151542059. The reversal of 2012151542040 is 402451512102.

It is a happy number.

2012151542040 is a `hidden beast` number, since 2 + 0 + 121 + 515 + 4 + 20 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2012151541995 and 2012151542013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2794654560 + ... + 2794655279.

It is an arithmetic number, because the mean of its divisors is an integer number (136239427350).

Almost surely, 2^{2012151542040} is an apocalyptic number.

2012151542040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012151542040 is an abundant number, since it is smaller than the sum of its proper divisors (4527340970760).

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

2012151542040 is a wasteful number, since it uses less digits than its factorization.

2012151542040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589309856 (or 5589309849 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 2012151542040 in words is "two trillion, twelve billion, one hundred fifty-one million, five hundred forty-two thousand, forty".