61226202312 has 180 divisors, whose sum is σ = 183161923425. Its totient is φ = 18476409600.

The previous prime is 61226202283. The next prime is 61226202329. The reversal of 61226202312 is 21320262216.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

61226202312 is a `hidden beast` number, since 6 + 1 + 2 + 2 + 620 + 2 + 31 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57051233316 + 4174968996 = 238854^2 + 64614^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=174966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 254050512 + ... + 254050752.

Almost surely, 2^61226202312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61226202312

61226202312 is an abundant number, since it is smaller than the sum of its proper divisors (121935721113).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61226202312 is an equidigital number, since it uses as much as digits as its factorization.

61226202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 61226202312 its reverse (21320262216), we get a palindrome (82546464528).

The spelling of 61226202312 in words is "sixty-one billion, two hundred twenty-six million, two hundred two thousand, three hundred twelve".