1201012020320 has 48 divisors (see below), whose sum is σ = 3242732457888. Its totient is φ = 411775549440.

The previous prime is 1201012020311. The next prime is 1201012020349. The reversal of 1201012020320 is 230202101021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1201012020295 and 1201012020304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536164961 + ... + 536167200.

It is an arithmetic number, because the mean of its divisors is an integer number (67556926206).

Almost surely, 2^{1201012020320} is an apocalyptic number.

1201012020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201012020320 is an abundant number, since it is smaller than the sum of its proper divisors (2041720437568).

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

1201012020320 is a wasteful number, since it uses less digits than its factorization.

1201012020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072332183 (or 1072332175 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1201012020320 its reverse (230202101021), we get a palindrome (1431214121341).

The spelling of 1201012020320 in words is "one trillion, two hundred one billion, twelve million, twenty thousand, three hundred twenty".