131222123010 has 160 divisors (see below), whose sum is σ = 397335780864. Its totient is φ = 30785184000.

The previous prime is 131222123009. The next prime is 131222123023. The reversal of 131222123010 is 10321222131.

131222123010 is a `hidden beast` number, since 131 + 22 + 212 + 301 + 0 = 666.

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

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 38670 + ... + 513750.

Almost surely, 2^131222123010 is an apocalyptic number.

131222123010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131222123010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198667890432).

131222123010 is an abundant number, since it is smaller than the sum of its proper divisors (266113657854).

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

131222123010 is a wasteful number, since it uses less digits than its factorization.

131222123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475142 (or 475133 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131222123010 its reverse (10321222131), we get a palindrome (141543345141).

The spelling of 131222123010 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty-three thousand, ten".