2012456101845 has 32 divisors (see below), whose sum is σ = 3742291261440. Its totient is φ = 904387049280.

The previous prime is 2012456101837. The next prime is 2012456101871. The reversal of 2012456101845 is 5481016542102.

It is a happy number.

It is not a de Polignac number, because 2012456101845 - 2³ = 2012456101837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162419641 + ... + 162432030.

It is an arithmetic number, because the mean of its divisors is an integer number (116946601920).

Almost surely, 2^{2012456101845} is an apocalyptic number.

It is an amenable number.

2012456101845 is a deficient number, since it is larger than the sum of its proper divisors (1729835159595).

2012456101845 is a wasteful number, since it uses less digits than its factorization.

2012456101845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324851745.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 2012456101845 in words is "two trillion, twelve billion, four hundred fifty-six million, one hundred one thousand, eight hundred forty-five".