120400100110422 has 96 divisors (see below), whose sum is σ = 287414942540544. Its totient is φ = 36123464116800.

The previous prime is 120400100110307. The next prime is 120400100110463. The reversal of 120400100110422 is 224011001004021.

120400100110422 is a `hidden beast` number, since 12 + 0 + 400 + 100 + 110 + 42 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120400100110395 and 120400100110404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 735303 + ... + 15535149.

It is an arithmetic number, because the mean of its divisors is an integer number (2993905651464).

Almost surely, 2^{120400100110422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120400100110422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143707471270272).

120400100110422 is an abundant number, since it is smaller than the sum of its proper divisors (167014842430122).

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

120400100110422 is a wasteful number, since it uses less digits than its factorization.

120400100110422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800274 (or 14800271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120400100110422 its reverse (224011001004021), we get a palindrome (344411101114443).

The spelling of 120400100110422 in words is "one hundred twenty trillion, four hundred billion, one hundred million, one hundred ten thousand, four hundred twenty-two".