2112012486387 has 144 divisors (see below), whose sum is σ = 3483681321120. Its totient is φ = 1277368123392.

The previous prime is 2112012486383. The next prime is 2112012486401. The reversal of 2112012486387 is 7836842102112.

2112012486387 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 0 + 1 + 2 + 4 + 8 + 638 + 7 = 666.

2112012486387 is an astonishing number since 2112012486387 = 486387 + ... + 2112012.

It is not a de Polignac number, because 2112012486387 - 2² = 2112012486383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112012486383) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 283221763 + ... + 283229219.

Almost surely, 2^{2112012486387} is an apocalyptic number.

2112012486387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2112012486387 is a deficient number, since it is larger than the sum of its proper divisors (1371668834733).

2112012486387 is a wasteful number, since it uses less digits than its factorization.

2112012486387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7623 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

Adding to 2112012486387 its reverse (7836842102112), we get a palindrome (9948854588499).

The spelling of 2112012486387 in words is "two trillion, one hundred twelve billion, twelve million, four hundred eighty-six thousand, three hundred eighty-seven".