122311143122412 has 48 divisors (see below), whose sum is σ = 298636284233952. Its totient is φ = 38920016977920.

The previous prime is 122311143122387. The next prime is 122311143122423. The reversal of 122311143122412 is 214221341113221.

It is a super-2 number, since 2×122311143122412² (a number of 29 digits) contains 22 as substring.

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 122311143122412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2598802389 + ... + 2598849452.

It is an arithmetic number, because the mean of its divisors is an integer number (6221589254874).

Almost surely, 2^{122311143122412} is an apocalyptic number.

122311143122412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122311143122412 is an abundant number, since it is smaller than the sum of its proper divisors (176325141111540).

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

122311143122412 is a wasteful number, since it uses less digits than its factorization.

122311143122412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197651938 (or 5197651936 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

Adding to 122311143122412 its reverse (214221341113221), we get a palindrome (336532484235633).

The spelling of 122311143122412 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred twelve".