120012122191 has 8 divisors (see below), whose sum is σ = 129278240784. Its totient is φ = 110750920320.

The previous prime is 120012122161. The next prime is 120012122261. The reversal of 120012122191 is 191221210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120012122191 - 2¹³ = 120012113999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012122141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178401 + ... + 1276186.

It is an arithmetic number, because the mean of its divisors is an integer number (16159780098).

Almost surely, 2^120012122191 is an apocalyptic number.

120012122191 is a deficient number, since it is larger than the sum of its proper divisors (9266118593).

120012122191 is a wasteful number, since it uses less digits than its factorization.

120012122191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458361.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 120012122191 in words is "one hundred twenty billion, twelve million, one hundred twenty-two thousand, one hundred ninety-one".