212066562455 has 16 divisors (see below), whose sum is σ = 285117503904. Its totient is φ = 150061841280.

The previous prime is 212066562439. The next prime is 212066562467. The reversal of 212066562455 is 554265660212.

It is not a de Polignac number, because 212066562455 - 2⁴ = 212066562439 is a prime.

It is a super-2 number, since 2×212066562455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 52102772 + ... + 52106841.

It is an arithmetic number, because the mean of its divisors is an integer number (17819843994).

Almost surely, 2^212066562455 is an apocalyptic number.

212066562455 is a deficient number, since it is larger than the sum of its proper divisors (73050941449).

212066562455 is a wasteful number, since it uses less digits than its factorization.

212066562455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104209666.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 212066562455 in words is "two hundred twelve billion, sixty-six million, five hundred sixty-two thousand, four hundred fifty-five".