12054261456212 has 12 divisors (see below), whose sum is σ = 21095037239220. Its totient is φ = 6027107959296.

The previous prime is 12054261456143. The next prime is 12054261456247. The reversal of 12054261456212 is 21265416245021.

It can be written as a sum of positive squares in 2 ways, for example, as 9972370304836 + 2081891151376 = 3157906^2 + 1442876^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12054261456212.

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, 4471943 + ... + 6641294.

It is an arithmetic number, because the mean of its divisors is an integer number (1757919769935).

Almost surely, 2^{12054261456212} is an apocalyptic number.

It is an amenable number.

12054261456212 is a deficient number, since it is larger than the sum of its proper divisors (9040775783008).

12054261456212 is a wasteful number, since it uses less digits than its factorization.

12054261456212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384410 (or 11384408 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 12054261456212 in words is "twelve trillion, fifty-four billion, two hundred sixty-one million, four hundred fifty-six thousand, two hundred twelve".