131000212222 has 24 divisors (see below), whose sum is σ = 216006531048. Its totient is φ = 59540429520.

The previous prime is 131000212199. The next prime is 131000212241. The reversal of 131000212222 is 222212000131.

It is a happy number.

It is a super-2 number, since 2×131000212222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000212196 and 131000212205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5428848 + ... + 5452924.

It is an arithmetic number, because the mean of its divisors is an integer number (9000272127).

Almost surely, 2^131000212222 is an apocalyptic number.

131000212222 is a deficient number, since it is larger than the sum of its proper divisors (85006318826).

131000212222 is a wasteful number, since it uses less digits than its factorization.

131000212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46584 (or 46573 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 131000212222 its reverse (222212000131), we get a palindrome (353212212353).

The spelling of 131000212222 in words is "one hundred thirty-one billion, two hundred twelve thousand, two hundred twenty-two".