1002120002187 has 16 divisors (see below), whose sum is σ = 1342234457088. Its totient is φ = 665043144480.

The previous prime is 1002120002183. The next prime is 1002120002189. The reversal of 1002120002187 is 7812000212001.

It is not a de Polignac number, because 1002120002187 - 2² = 1002120002183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002120002183) by changing a digit.

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, 14020713 + ... + 14092005.

It is an arithmetic number, because the mean of its divisors is an integer number (83889653568).

Almost surely, 2^{1002120002187} is an apocalyptic number.

1002120002187 is a deficient number, since it is larger than the sum of its proper divisors (340114454901).

1002120002187 is a wasteful number, since it uses less digits than its factorization.

1002120002187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92530.

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 1002120002187 its reverse (7812000212001), we get a palindrome (8814120214188).

The spelling of 1002120002187 in words is "one trillion, two billion, one hundred twenty million, two thousand, one hundred eighty-seven".