120121210195 has 32 divisors (see below), whose sum is σ = 165740230656. Its totient is φ = 81868060800.

The previous prime is 120121210177. The next prime is 120121210217. The reversal of 120121210195 is 591012121021.

It is not a de Polignac number, because 120121210195 - 2¹¹ = 120121208147 is a prime.

It is a super-2 number, since 2×120121210195² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14484000 + ... + 14492290.

It is an arithmetic number, because the mean of its divisors is an integer number (5179382208).

Almost surely, 2^120121210195 is an apocalyptic number.

120121210195 is a deficient number, since it is larger than the sum of its proper divisors (45619020461).

120121210195 is a wasteful number, since it uses less digits than its factorization.

120121210195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10771.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 120121210195 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, one hundred ninety-five".