1320020123000 has 64 divisors (see below), whose sum is σ = 3089923761600. Its totient is φ = 527824003200.

The previous prime is 1320020122997. The next prime is 1320020123039. The reversal of 1320020123000 is 3210200231.

It is a happy number.

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, 2658386 + ... + 3115614.

It is an arithmetic number, because the mean of its divisors is an integer number (48280058775).

Almost surely, 2^{1320020123000} is an apocalyptic number.

1320020123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320020123000 is an abundant number, since it is smaller than the sum of its proper divisors (1769903638600).

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

1320020123000 is a wasteful number, since it uses less digits than its factorization.

1320020123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460137 (or 460123 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1320020123000 its reverse (3210200231), we get a palindrome (1323230323231).

The spelling of 1320020123000 in words is "one trillion, three hundred twenty billion, twenty million, one hundred twenty-three thousand".