1202130131112 has 192 divisors, whose sum is σ = 3349840665600. Its totient is φ = 389318791680.

The previous prime is 1202130131101. The next prime is 1202130131113. The reversal of 1202130131112 is 2111310312021.

1202130131112 is a `hidden beast` number, since 1 + 20 + 21 + 301 + 311 + 12 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1202130131113) 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 47 ways as a sum of consecutive naturals, for example, 127380058 + ... + 127389494.

It is an arithmetic number, because the mean of its divisors is an integer number (17447086800).

Almost surely, 2^{1202130131112} is an apocalyptic number.

1202130131112 is a gapful number since it is divisible by the number (12) 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 1202130131112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674920332800).

1202130131112 is an abundant number, since it is smaller than the sum of its proper divisors (2147710534488).

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

1202130131112 is a wasteful number, since it uses less digits than its factorization.

1202130131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856 (or 9849 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1202130131112 its reverse (2111310312021), we get a palindrome (3313440443133).

The spelling of 1202130131112 in words is "one trillion, two hundred two billion, one hundred thirty million, one hundred thirty-one thousand, one hundred twelve".