12016311620620 has 24 divisors (see below), whose sum is σ = 25235050741488. Its totient is φ = 4806372964800.

The previous prime is 12016311620587. The next prime is 12016311620657. The reversal of 12016311620620 is 2602611361021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8829526 + ... + 10099165.

It is an arithmetic number, because the mean of its divisors is an integer number (1051460447562).

Almost surely, 2^{12016311620620} is an apocalyptic number.

12016311620620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12016311620620 is an abundant number, since it is smaller than the sum of its proper divisors (13218739120868).

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

12016311620620 is a wasteful number, since it uses less digits than its factorization.

12016311620620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18960441 (or 18960439 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 12016311620620 its reverse (2602611361021), we get a palindrome (14618922981641).

The spelling of 12016311620620 in words is "twelve trillion, sixteen billion, three hundred eleven million, six hundred twenty thousand, six hundred twenty".