212253105554 has 16 divisors (see below), whose sum is σ = 363874051008. Its totient is φ = 90962720592.

The previous prime is 212253105541. The next prime is 212253105599. The reversal of 212253105554 is 455501352212.

It is a happy number.

212253105554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 248369 + ... + 697275.

It is an arithmetic number, because the mean of its divisors is an integer number (22742128188).

Almost surely, 2^212253105554 is an apocalyptic number.

212253105554 is a deficient number, since it is larger than the sum of its proper divisors (151620945454).

212253105554 is a wasteful number, since it uses less digits than its factorization.

212253105554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482689.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 212253105554 its reverse (455501352212), we get a palindrome (667754457766).

The spelling of 212253105554 in words is "two hundred twelve billion, two hundred fifty-three million, one hundred five thousand, five hundred fifty-four".