1201011123320 has 32 divisors (see below), whose sum is σ = 2765118636720. Its totient is φ = 469232252160.

The previous prime is 1201011123311. The next prime is 1201011123419. The reversal of 1201011123320 is 233211101021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349129421 + ... + 349132860.

Almost surely, 2^{1201011123320} is an apocalyptic number.

1201011123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201011123320 is an abundant number, since it is smaller than the sum of its proper divisors (1564107513400).

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

1201011123320 is a wasteful number, since it uses less digits than its factorization.

1201011123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698262335 (or 698262331 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1201011123320 its reverse (233211101021), we get a palindrome (1434222224341).

It can be divided in two parts, 120101 and 1123320, that added together give a palindrome (1243421).

The spelling of 1201011123320 in words is "one trillion, two hundred one billion, eleven million, one hundred twenty-three thousand, three hundred twenty".