1302131121300 has 216 divisors, whose sum is σ = 4178865827136. Its totient is φ = 338957498880.

The previous prime is 1302131121241. The next prime is 1302131121301. The reversal of 1302131121300 is 31211312031.

1302131121300 is a `hidden beast` number, since 1 + 30 + 2 + 1 + 311 + 21 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302131121301) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 71469792 + ... + 71488008.

Almost surely, 2^{1302131121300} is an apocalyptic number.

1302131121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302131121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089432913568).

1302131121300 is an abundant number, since it is smaller than the sum of its proper divisors (2876734705836).

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

1302131121300 is a wasteful number, since it uses less digits than its factorization.

1302131121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20127 (or 20117 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1302131121300 its reverse (31211312031), we get a palindrome (1333342433331).

The spelling of 1302131121300 in words is "one trillion, three hundred two billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred".