1201423130320 has 80 divisors (see below), whose sum is σ = 3203248728960. Its totient is φ = 410510587392.

The previous prime is 1201423130317. The next prime is 1201423130351. The reversal of 1201423130320 is 230313241021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1201423130291 and 1201423130300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3497010 + ... + 3825169.

It is an arithmetic number, because the mean of its divisors is an integer number (40040609112).

Almost surely, 2^{1201423130320} is an apocalyptic number.

1201423130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201423130320 is an abundant number, since it is smaller than the sum of its proper divisors (2001825598640).

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

1201423130320 is a wasteful number, since it uses less digits than its factorization.

1201423130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322492 (or 7322486 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1201423130320 its reverse (230313241021), we get a palindrome (1431736371341).

The spelling of 1201423130320 in words is "one trillion, two hundred one billion, four hundred twenty-three million, one hundred thirty thousand, three hundred twenty".