1200040421319 has 6 divisors (see below), whose sum is σ = 1733391719696. Its totient is φ = 800026947540.

The previous prime is 1200040421317. The next prime is 1200040421341. The reversal of 1200040421319 is 9131240400021.

It is a happy number.

1200040421319 is a `hidden beast` number, since 1 + 200 + 0 + 4 + 0 + 421 + 31 + 9 = 666.

It is not a de Polignac number, because 1200040421319 - 2¹ = 1200040421317 is a prime.

It is a super-2 number, since 2×1200040421319² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200040421292 and 1200040421301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200040421317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66668912287 + ... + 66668912304.

Almost surely, 2^{1200040421319} is an apocalyptic number.

1200040421319 is a deficient number, since it is larger than the sum of its proper divisors (533351298377).

1200040421319 is a wasteful number, since it uses less digits than its factorization.

1200040421319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133337824597 (or 133337824594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 1200040421319 in words is "one trillion, two hundred billion, forty million, four hundred twenty-one thousand, three hundred nineteen".