3661220300512 has 24 divisors (see below), whose sum is σ = 7219902344256. Its totient is φ = 1827594308352.

The previous prime is 3661220300509. The next prime is 3661220300537. The reversal of 3661220300512 is 2150030221663.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94225333 + ... + 94264180.

It is an arithmetic number, because the mean of its divisors is an integer number (300829264344).

Almost surely, 2^{3661220300512} is an apocalyptic number.

3661220300512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3661220300512 is a deficient number, since it is larger than the sum of its proper divisors (3558682043744).

3661220300512 is a wasteful number, since it uses less digits than its factorization.

3661220300512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188490130 (or 188490122 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 3661220300512 in words is "three trillion, six hundred sixty-one billion, two hundred twenty million, three hundred thousand, five hundred twelve".