100422440123412 has 192 divisors, whose sum is σ = 267061678829568. Its totient is φ = 29072292480000.

The previous prime is 100422440123381. The next prime is 100422440123413. The reversal of 100422440123412 is 214321044224001.

It is a self number, because there is not a number n which added to its sum of digits gives 100422440123412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100422440123413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17751886888 + ... + 17751892544.

It is an arithmetic number, because the mean of its divisors is an integer number (1390946243904).

Almost surely, 2^{100422440123412} is an apocalyptic number.

100422440123412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100422440123412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133530839414784).

100422440123412 is an abundant number, since it is smaller than the sum of its proper divisors (166639238706156).

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

100422440123412 is a wasteful number, since it uses less digits than its factorization.

100422440123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11830 (or 11828 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 100422440123412 its reverse (214321044224001), we get a palindrome (314743484347413).

The spelling of 100422440123412 in words is "one hundred trillion, four hundred twenty-two billion, four hundred forty million, one hundred twenty-three thousand, four hundred twelve".