212250457555 has 16 divisors (see below), whose sum is σ = 263501128800. Its totient is φ = 163934104320.

The previous prime is 212250457501. The next prime is 212250457567. The reversal of 212250457555 is 555754052212.

It is a happy number.

It is not a de Polignac number, because 212250457555 - 2¹¹ = 212250455507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587156 + ... + 2667934.

It is an arithmetic number, because the mean of its divisors is an integer number (16468820550).

Almost surely, 2^212250457555 is an apocalyptic number.

212250457555 is a deficient number, since it is larger than the sum of its proper divisors (51250671245).

212250457555 is a wasteful number, since it uses less digits than its factorization.

212250457555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98934.

The product of its (nonzero) digits is 700000, while the sum is 43.

The spelling of 212250457555 in words is "two hundred twelve billion, two hundred fifty million, four hundred fifty-seven thousand, five hundred fifty-five".