2112354436406 has 64 divisors (see below), whose sum is σ = 3398113990656. Its totient is φ = 981343334400.

The previous prime is 2112354436403. The next prime is 2112354436427. The reversal of 2112354436406 is 6046344532112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112354436403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790846451 + ... + 790849121.

It is an arithmetic number, because the mean of its divisors is an integer number (53095531104).

Almost surely, 2^{2112354436406} is an apocalyptic number.

2112354436406 is a deficient number, since it is larger than the sum of its proper divisors (1285759554250).

2112354436406 is a wasteful number, since it uses less digits than its factorization.

2112354436406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 2112354436406 its reverse (6046344532112), we get a palindrome (8158698968518).

The spelling of 2112354436406 in words is "two trillion, one hundred twelve billion, three hundred fifty-four million, four hundred thirty-six thousand, four hundred six".