120666612147 has 16 divisors (see below), whose sum is σ = 161497860480. Its totient is φ = 80140441472.

The previous prime is 120666612139. The next prime is 120666612173. The reversal of 120666612147 is 741216666021.

It is a cyclic number.

It is not a de Polignac number, because 120666612147 - 2³ = 120666612139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120666612099 and 120666612108.

It is not an unprimeable number, because it can be changed into a prime (120666612127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806923 + ... + 944699.

It is an arithmetic number, because the mean of its divisors is an integer number (10093616280).

Almost surely, 2^120666612147 is an apocalyptic number.

120666612147 is a deficient number, since it is larger than the sum of its proper divisors (40831248333).

120666612147 is a wasteful number, since it uses less digits than its factorization.

120666612147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138882.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 120666612147 in words is "one hundred twenty billion, six hundred sixty-six million, six hundred twelve thousand, one hundred forty-seven".