120299606499 has 4 divisors (see below), whose sum is σ = 160399475336. Its totient is φ = 80199737664.

The previous prime is 120299606461. The next prime is 120299606509. The reversal of 120299606499 is 994606992021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994606992021 = 3 ⋅331535664007.

It is not a de Polignac number, because 120299606499 - 2¹² = 120299602403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120299606459) 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, 20049934414 + ... + 20049934419.

It is an arithmetic number, because the mean of its divisors is an integer number (40099868834).

Almost surely, 2^120299606499 is an apocalyptic number.

120299606499 is a deficient number, since it is larger than the sum of its proper divisors (40099868837).

120299606499 is an equidigital number, since it uses as much as digits as its factorization.

120299606499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40099868836.

The product of its (nonzero) digits is 3779136, while the sum is 57.

The spelling of 120299606499 in words is "one hundred twenty billion, two hundred ninety-nine million, six hundred six thousand, four hundred ninety-nine".