1202123130320 has 80 divisors (see below), whose sum is σ = 3194690526720. Its totient is φ = 412094871552.

The previous prime is 1202123130259. The next prime is 1202123130323. The reversal of 1202123130320 is 230313212021.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202123130292 and 1202123130301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202123130323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3669401 + ... + 3983559.

It is an arithmetic number, because the mean of its divisors is an integer number (39933631584).

Almost surely, 2^{1202123130320} is an apocalyptic number.

1202123130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202123130320 is an abundant number, since it is smaller than the sum of its proper divisors (1992567396400).

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

1202123130320 is a wasteful number, since it uses less digits than its factorization.

1202123130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321012 (or 321006 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1202123130320 its reverse (230313212021), we get a palindrome (1432436342341).

The spelling of 1202123130320 in words is "one trillion, two hundred two billion, one hundred twenty-three million, one hundred thirty thousand, three hundred twenty".