10131222140 has 72 divisors (see below), whose sum is σ = 23262509088. Its totient is φ = 3704313600.

The previous prime is 10131222121. The next prime is 10131222151. The reversal of 10131222140 is 4122213101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333590 + ... + 362690.

It is an arithmetic number, because the mean of its divisors is an integer number (323090404).

Almost surely, 2^10131222140 is an apocalyptic number.

10131222140 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 10131222140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11631254544).

10131222140 is an abundant number, since it is smaller than the sum of its proper divisors (13131286948).

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

10131222140 is a wasteful number, since it uses less digits than its factorization.

10131222140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239 (or 29224 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10131222140 its reverse (4122213101), we get a palindrome (14253435241).

The spelling of 10131222140 in words is "ten billion, one hundred thirty-one million, two hundred twenty-two thousand, one hundred forty".