1439479221012 has 36 divisors (see below), whose sum is σ = 4158495528096. Its totient is φ = 411279777360.

The previous prime is 1439479220987. The next prime is 1439479221017. The reversal of 1439479221012 is 2101229749341.

1439479221012 is a `hidden beast` number, since 143 + 9 + 479 + 2 + 21 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439479221017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2856109314 + ... + 2856109817.

Almost surely, 2^{1439479221012} is an apocalyptic number.

1439479221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1439479221012 is an abundant number, since it is smaller than the sum of its proper divisors (2719016307084).

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

1439479221012 is a wasteful number, since it uses less digits than its factorization.

1439479221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712219148 (or 5712219143 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1439479221012 in words is "one trillion, four hundred thirty-nine billion, four hundred seventy-nine million, two hundred twenty-one thousand, twelve".