1204210219987 has 2 divisors, whose sum is σ = 1204210219988. Its totient is φ = 1204210219986.

The previous prime is 1204210219973. The next prime is 1204210220011. The reversal of 1204210219987 is 7899120124021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204210219987 - 2¹¹ = 1204210217939 is a prime.

It is a super-2 number, since 2×1204210219987² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1204211219987) 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 as a sum of consecutive naturals, namely, 602105109993 + 602105109994.

It is an arithmetic number, because the mean of its divisors is an integer number (602105109994).

Almost surely, 2^{1204210219987} is an apocalyptic number.

1204210219987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204210219987 is an equidigital number, since it uses as much as digits as its factorization.

1204210219987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 1204210219987 in words is "one trillion, two hundred four billion, two hundred ten million, two hundred nineteen thousand, nine hundred eighty-seven".