1123422402012 has 24 divisors (see below), whose sum is σ = 2626657686912. Its totient is φ = 373711455600.

The previous prime is 1123422401989. The next prime is 1123422402023. The reversal of 1123422402012 is 2102042243211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95328664 + ... + 95340447.

It is an arithmetic number, because the mean of its divisors is an integer number (109444070288).

Almost surely, 2^{1123422402012} is an apocalyptic number.

1123422402012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123422402012 is an abundant number, since it is smaller than the sum of its proper divisors (1503235284900).

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

1123422402012 is a wasteful number, since it uses less digits than its factorization.

1123422402012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190669609 (or 190669607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1123422402012 its reverse (2102042243211), we get a palindrome (3225464645223).

The spelling of 1123422402012 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-two million, four hundred two thousand, twelve".