612060221541 has 4 divisors (see below), whose sum is σ = 816080295392. Its totient is φ = 408040147692.

The previous prime is 612060221489. The next prime is 612060221557. The reversal of 612060221541 is 145122060216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 612060221541 - 2⁷ = 612060221413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612060221499 and 612060221508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612060221561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102010036921 + ... + 102010036926.

It is an arithmetic number, because the mean of its divisors is an integer number (204020073848).

Almost surely, 2^612060221541 is an apocalyptic number.

It is an amenable number.

612060221541 is a deficient number, since it is larger than the sum of its proper divisors (204020073851).

612060221541 is a wasteful number, since it uses less digits than its factorization.

612060221541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204020073850.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 612060221541 its reverse (145122060216), we get a palindrome (757182281757).

The spelling of 612060221541 in words is "six hundred twelve billion, sixty million, two hundred twenty-one thousand, five hundred forty-one".