120216555142 has 4 divisors (see below), whose sum is σ = 180324832716. Its totient is φ = 60108277570.

The previous prime is 120216555097. The next prime is 120216555161. The reversal of 120216555142 is 241555612021.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 120216555098 and 120216555107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30054138784 + ... + 30054138787.

It is an arithmetic number, because the mean of its divisors is an integer number (45081208179).

Almost surely, 2^120216555142 is an apocalyptic number.

120216555142 is a deficient number, since it is larger than the sum of its proper divisors (60108277574).

120216555142 is an equidigital number, since it uses as much as digits as its factorization.

120216555142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60108277573.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 120216555142 in words is "one hundred twenty billion, two hundred sixteen million, five hundred fifty-five thousand, one hundred forty-two".