131222109986 has 16 divisors (see below), whose sum is σ = 214740190368. Its totient is φ = 59642774400.

The previous prime is 131222109983. The next prime is 131222110027. The reversal of 131222109986 is 689901222131.

It is not an unprimeable number, because it can be changed into a prime (131222109983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205106 + ... + 551826.

It is an arithmetic number, because the mean of its divisors is an integer number (13421261898).

Almost surely, 2^131222109986 is an apocalyptic number.

131222109986 is a deficient number, since it is larger than the sum of its proper divisors (83518080382).

131222109986 is a wasteful number, since it uses less digits than its factorization.

131222109986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363937.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 131222109986 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred nine thousand, nine hundred eighty-six".