12020554012 has 12 divisors (see below), whose sum is σ = 21037587480. Its totient is φ = 6009814736.

The previous prime is 12020553997. The next prime is 12020554031. The reversal of 12020554012 is 21045502021.

12020554012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12020554012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 53338 + ... + 163969.

It is an arithmetic number, because the mean of its divisors is an integer number (1753132290).

Almost surely, 2^12020554012 is an apocalyptic number.

It is an amenable number.

12020554012 is a deficient number, since it is larger than the sum of its proper divisors (9017033468).

12020554012 is a wasteful number, since it uses less digits than its factorization.

12020554012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231140 (or 231138 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 12020554012 in words is "twelve billion, twenty million, five hundred fifty-four thousand, twelve".