612060221151 has 6 divisors (see below), whose sum is σ = 884086986120. Its totient is φ = 408040147428.

The previous prime is 612060221147. The next prime is 612060221153. The reversal of 612060221151 is 151122060216.

612060221151 is a `hidden beast` number, since 6 + 1 + 2 + 0 + 602 + 2 + 1 + 1 + 51 = 666.

It is not a de Polignac number, because 612060221151 - 2² = 612060221147 is a prime.

It is a super-2 number, since 2×612060221151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612060221153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34003345611 + ... + 34003345628.

It is an arithmetic number, because the mean of its divisors is an integer number (147347831020).

Almost surely, 2^612060221151 is an apocalyptic number.

612060221151 is a deficient number, since it is larger than the sum of its proper divisors (272026764969).

612060221151 is a wasteful number, since it uses less digits than its factorization.

612060221151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68006691245 (or 68006691242 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 612060221151 its reverse (151122060216), we get a palindrome (763182281367).

The spelling of 612060221151 in words is "six hundred twelve billion, sixty million, two hundred twenty-one thousand, one hundred fifty-one".