1200412140021 has 12 divisors (see below), whose sum is σ = 1734029873472. Its totient is φ = 800228039976.

The previous prime is 1200412140019. The next prime is 1200412140041.

1200412140021 is a `hidden beast` number, since 1 + 200 + 41 + 2 + 1 + 400 + 21 = 666.

1200412140021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1200412140021 - 2¹ = 1200412140019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200412139976 and 1200412140003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200412140041) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3730251 + ... + 4039256.

It is an arithmetic number, because the mean of its divisors is an integer number (144502489456).

Almost surely, 2^{1200412140021} is an apocalyptic number.

It is an amenable number.

1200412140021 is a deficient number, since it is larger than the sum of its proper divisors (533617733451).

1200412140021 is a wasteful number, since it uses less digits than its factorization.

1200412140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7786680 (or 7786677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 1200412140021 in words is "one trillion, two hundred billion, four hundred twelve million, one hundred forty thousand, twenty-one".