1422120443112 has 96 divisors (see below), whose sum is σ = 3893091646080. Its totient is φ = 468935101440.

The previous prime is 1422120443089. The next prime is 1422120443113. The reversal of 1422120443112 is 2113440212241.

1422120443112 is a `hidden beast` number, since 1 + 4 + 2 + 21 + 204 + 431 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1422120443113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15339537 + ... + 15431967.

It is an arithmetic number, because the mean of its divisors is an integer number (40553037980).

Almost surely, 2^{1422120443112} is an apocalyptic number.

1422120443112 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 1422120443112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1946545823040).

1422120443112 is an abundant number, since it is smaller than the sum of its proper divisors (2470971202968).

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

1422120443112 is a wasteful number, since it uses less digits than its factorization.

1422120443112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94743 (or 94736 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 1422120443112 its reverse (2113440212241), we get a palindrome (3535560655353).

The spelling of 1422120443112 in words is "one trillion, four hundred twenty-two billion, one hundred twenty million, four hundred forty-three thousand, one hundred twelve".