1301131111200 has 288 divisors, whose sum is σ = 4459917672000. Its totient is φ = 328571781120.

The previous prime is 1301131111157. The next prime is 1301131111249. The reversal of 1301131111200 is 21111311031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1301131111200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157270264 + ... + 157278536.

It is an arithmetic number, because the mean of its divisors is an integer number (15485825250).

Almost surely, 2^{1301131111200} is an apocalyptic number.

1301131111200 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 1301131111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229958836000).

1301131111200 is an abundant number, since it is smaller than the sum of its proper divisors (3158786560800).

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

1301131111200 is a wasteful number, since it uses less digits than its factorization.

1301131111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11764 (or 11751 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1301131111200 its reverse (21111311031), we get a palindrome (1322242422231).

The spelling of 1301131111200 in words is "one trillion, three hundred one billion, one hundred thirty-one million, one hundred eleven thousand, two hundred".