122311131133212 has 72 divisors (see below), whose sum is σ = 360861209619456. Its totient is φ = 34202504751264.

The previous prime is 122311131133171. The next prime is 122311131133237. The reversal of 122311131133212 is 212331131113221.

122311131133212 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 1 + 1 + 1 + 311 + 332 + 12 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5163409768 + ... + 5163433455.

Almost surely, 2^{122311131133212} is an apocalyptic number.

122311131133212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122311131133212 is an abundant number, since it is smaller than the sum of its proper divisors (238550078486244).

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

122311131133212 is a wasteful number, since it uses less digits than its factorization.

122311131133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326843287 (or 10326843282 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 122311131133212 its reverse (212331131113221), we get a palindrome (334642262246433).

The spelling of 122311131133212 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twelve".