1220210120195 has 16 divisors (see below), whose sum is σ = 1597388512608. Its totient is φ = 887413021440.

The previous prime is 1220210120159. The next prime is 1220210120267. The reversal of 1220210120195 is 5910210120221.

It is not a de Polignac number, because 1220210120195 - 2²⁰ = 1220209071619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5862857 + ... + 6067413.

It is an arithmetic number, because the mean of its divisors is an integer number (99836782038).

Almost surely, 2^{1220210120195} is an apocalyptic number.

1220210120195 is a deficient number, since it is larger than the sum of its proper divisors (377178392413).

1220210120195 is a wasteful number, since it uses less digits than its factorization.

1220210120195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313030.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 1220210120195 its sum of digits (26), we get a palindrome (1220210120221).

The spelling of 1220210120195 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, one hundred ninety-five".