612805228061 has 16 divisors (see below), whose sum is σ = 663538713600. Its totient is φ = 562590126720.

The previous prime is 612805228043. The next prime is 612805228067. The reversal of 612805228061 is 160822508216.

It is a happy number.

612805228061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 612805228061 - 2⁶ = 612805227997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612805228067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2940296 + ... + 3141806.

It is an arithmetic number, because the mean of its divisors is an integer number (41471169600).

Almost surely, 2^612805228061 is an apocalyptic number.

It is an amenable number.

612805228061 is a deficient number, since it is larger than the sum of its proper divisors (50733485539).

612805228061 is a wasteful number, since it uses less digits than its factorization.

612805228061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202796.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 612805228061 in words is "six hundred twelve billion, eight hundred five million, two hundred twenty-eight thousand, sixty-one".