212331131122 has 16 divisors (see below), whose sum is σ = 347458377600. Its totient is φ = 96512085040.

The previous prime is 212331131113. The next prime is 212331131141. The reversal of 212331131122 is 221131133212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 212331131093 and 212331131102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503879 + ... + 1638997.

It is an arithmetic number, because the mean of its divisors is an integer number (21716148600).

Almost surely, 2^212331131122 is an apocalyptic number.

212331131122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212331131122 is a deficient number, since it is larger than the sum of its proper divisors (135127246478).

212331131122 is a wasteful number, since it uses less digits than its factorization.

212331131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206561.

The product of its digits is 432, while the sum is 22.

Adding to 212331131122 its reverse (221131133212), we get a palindrome (433462264334).

The spelling of 212331131122 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred twenty-two".