612701600521 has 8 divisors (see below), whose sum is σ = 657117904320. Its totient is φ = 569502181872.

The previous prime is 612701600501. The next prime is 612701600527. The reversal of 612701600521 is 125006107216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612701600521 - 2¹¹ = 612701598473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612701600527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304220245 + ... + 304222258.

It is an arithmetic number, because the mean of its divisors is an integer number (82139738040).

Almost surely, 2^612701600521 is an apocalyptic number.

It is an amenable number.

612701600521 is a deficient number, since it is larger than the sum of its proper divisors (44416303799).

612701600521 is a wasteful number, since it uses less digits than its factorization.

612701600521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608442575.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 612701600521 its reverse (125006107216), we get a palindrome (737707707737).

The spelling of 612701600521 in words is "six hundred twelve billion, seven hundred one million, six hundred thousand, five hundred twenty-one".