120011222987 has 4 divisors (see below), whose sum is σ = 120052059960. Its totient is φ = 119970386016.

The previous prime is 120011222971. The next prime is 120011222993. The reversal of 120011222987 is 789222110021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789222110021 = 127 ⋅6214347323.

It is a cyclic number.

It is not a de Polignac number, because 120011222987 - 2⁴ = 120011222971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011222687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20414078 + ... + 20419955.

It is an arithmetic number, because the mean of its divisors is an integer number (30013014990).

Almost surely, 2^120011222987 is an apocalyptic number.

120011222987 is a deficient number, since it is larger than the sum of its proper divisors (40836973).

120011222987 is an equidigital number, since it uses as much as digits as its factorization.

120011222987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40836972.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 120011222987 in words is "one hundred twenty billion, eleven million, two hundred twenty-two thousand, nine hundred eighty-seven".