205213256672 has 12 divisors (see below), whose sum is σ = 404013599136. Its totient is φ = 102606628320.

The previous prime is 205213256657. The next prime is 205213256687. The reversal of 205213256672 is 276652312502.

It is an interprime number because it is at equal distance from previous prime (205213256657) and next prime (205213256687).

It is a super-2 number, since 2×205213256672² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206457104 + ... + 3206457167.

It is an arithmetic number, because the mean of its divisors is an integer number (33667799928).

Almost surely, 2^205213256672 is an apocalyptic number.

It is an amenable number.

205213256672 is a deficient number, since it is larger than the sum of its proper divisors (198800342464).

205213256672 is an equidigital number, since it uses as much as digits as its factorization.

205213256672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412914281 (or 6412914273 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 205213256672 in words is "two hundred five billion, two hundred thirteen million, two hundred fifty-six thousand, six hundred seventy-two".