131230211001222 has 16 divisors (see below), whose sum is σ = 263910479584752. Its totient is φ = 43501727403360.

The previous prime is 131230211001173. The next prime is 131230211001223. The reversal of 131230211001222 is 222100112032131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230211001223) 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, 60419064753 + ... + 60419066924.

It is an arithmetic number, because the mean of its divisors is an integer number (16494404974047).

Almost surely, 2^{131230211001222} is an apocalyptic number.

131230211001222 is an abundant number, since it is smaller than the sum of its proper divisors (132680268583530).

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

131230211001222 is a wasteful number, since it uses less digits than its factorization.

131230211001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120838131863.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131230211001222 its reverse (222100112032131), we get a palindrome (353330323033353).

The spelling of 131230211001222 in words is "one hundred thirty-one trillion, two hundred thirty billion, two hundred eleven million, one thousand, two hundred twenty-two".