1200119999987 has 2 divisors, whose sum is σ = 1200119999988. Its totient is φ = 1200119999986.

The previous prime is 1200119999893. The next prime is 1200120000043. The reversal of 1200119999987 is 7899999110021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200119999987 - 2¹⁰ = 1200119998963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200119999387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600059999993 + 600059999994.

It is an arithmetic number, because the mean of its divisors is an integer number (600059999994).

Almost surely, 2^{1200119999987} is an apocalyptic number.

1200119999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200119999987 is an equidigital number, since it uses as much as digits as its factorization.

1200119999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 65.

The spelling of 1200119999987 in words is "one trillion, two hundred billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred eighty-seven".