612206105 has 16 divisors (see below), whose sum is σ = 851101824. Its totient is φ = 414046080.

The previous prime is 612206083. The next prime is 612206123. The reversal of 612206105 is 501602216.

It is not a de Polignac number, because 612206105 - 2⁶ = 612206041 is a prime.

It is a Duffinian 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, 117251 + ... + 122360.

It is an arithmetic number, because the mean of its divisors is an integer number (53193864).

Almost surely, 2^612206105 is an apocalyptic number.

It is an amenable number.

612206105 is a deficient number, since it is larger than the sum of its proper divisors (238895719).

612206105 is a wasteful number, since it uses less digits than its factorization.

612206105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239696.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 612206105 is about 24742.7990534620. The cubic root of 612206105 is about 849.1137729782.

The spelling of 612206105 in words is "six hundred twelve million, two hundred six thousand, one hundred five".