610561212 has 12 divisors (see below), whose sum is σ = 1424642856. Its totient is φ = 203520400.

The previous prime is 610561177. The next prime is 610561223. The reversal of 610561212 is 212165016.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25440039 + ... + 25440062.

It is an arithmetic number, because the mean of its divisors is an integer number (118720238).

Almost surely, 2^610561212 is an apocalyptic number.

It is an amenable number.

610561212 is an abundant number, since it is smaller than the sum of its proper divisors (814081644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610561212 is a wasteful number, since it uses less digits than its factorization.

610561212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50880108 (or 50880106 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 610561212 is about 24709.5368633247. The cubic root of 610561212 is about 848.3526164224.

The spelling of 610561212 in words is "six hundred ten million, five hundred sixty-one thousand, two hundred twelve".