131222222231210 has 32 divisors (see below), whose sum is σ = 259639694702784. Its totient is φ = 47352918496000.

The previous prime is 131222222231197. The next prime is 131222222231263. The reversal of 131222222231210 is 12132222222131.

It is a self number, because there is not a number n which added to its sum of digits gives 131222222231210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4553150831 + ... + 4553179650.

It is an arithmetic number, because the mean of its divisors is an integer number (8113740459462).

Almost surely, 2^{131222222231210} is an apocalyptic number.

131222222231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131222222231210 is a deficient number, since it is larger than the sum of its proper divisors (128417472471574).

131222222231210 is a wasteful number, since it uses less digits than its factorization.

131222222231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106330630.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 131222222231210 its reverse (12132222222131), we get a palindrome (143354444453341).

The spelling of 131222222231210 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred ten".