122123213133312 has 40 divisors (see below), whose sum is σ = 325343872492056. Its totient is φ = 40707737710592.

The previous prime is 122123213133277. The next prime is 122123213133359. The reversal of 122123213133312 is 213331312321221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122123213133312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39753648573 + ... + 39753651644.

Almost surely, 2^{122123213133312} is an apocalyptic number.

122123213133312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122123213133312 is an abundant number, since it is smaller than the sum of its proper divisors (203220659358744).

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

122123213133312 is an frugal number, since it uses more digits than its factorization.

122123213133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79507300238 (or 79507300222 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

Adding to 122123213133312 its reverse (213331312321221), we get a palindrome (335454525454533).

The spelling of 122123213133312 in words is "one hundred twenty-two trillion, one hundred twenty-three billion, two hundred thirteen million, one hundred thirty-three thousand, three hundred twelve".