12021800277012 has 48 divisors (see below), whose sum is σ = 28074902994432. Its totient is φ = 4003833583840.

The previous prime is 12021800276957. The next prime is 12021800277083. The reversal of 12021800277012 is 21077200812021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288361633 + ... + 288403319.

It is an arithmetic number, because the mean of its divisors is an integer number (584893812384).

Almost surely, 2^{12021800277012} is an apocalyptic number.

12021800277012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021800277012 is an abundant number, since it is smaller than the sum of its proper divisors (16053102717420).

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

12021800277012 is a wasteful number, since it uses less digits than its factorization.

12021800277012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61708 (or 61706 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The spelling of 12021800277012 in words is "twelve trillion, twenty-one billion, eight hundred million, two hundred seventy-seven thousand, twelve".