1544038220012 has 24 divisors (see below), whose sum is σ = 2753130866976. Its totient is φ = 757430264448.

The previous prime is 1544038219991. The next prime is 1544038220017. The reversal of 1544038220012 is 2100228304451.

It is not an unprimeable number, because it can be changed into a prime (1544038220017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8787968 + ... + 8961944.

It is an arithmetic number, because the mean of its divisors is an integer number (114713786124).

Almost surely, 2^{1544038220012} is an apocalyptic number.

It is an amenable number.

1544038220012 is a deficient number, since it is larger than the sum of its proper divisors (1209092646964).

1544038220012 is a wasteful number, since it uses less digits than its factorization.

1544038220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215897 (or 215895 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 1544038220012 in words is "one trillion, five hundred forty-four billion, thirty-eight million, two hundred twenty thousand, twelve".