20120100191193 has 16 divisors (see below), whose sum is σ = 27752220794880. Its totient is φ = 12950701806336.

The previous prime is 20120100191183. The next prime is 20120100191203. The reversal of 20120100191193 is 39119100102102.

It is an interprime number because it is at equal distance from previous prime (20120100191183) and next prime (20120100191203).

It is not a de Polignac number, because 20120100191193 - 2⁶ = 20120100191129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20120100191193.

It is not an unprimeable number, because it can be changed into a prime (20120100191183) 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, 5465896 + ... + 8373542.

It is an arithmetic number, because the mean of its divisors is an integer number (1734513799680).

Almost surely, 2^{20120100191193} is an apocalyptic number.

It is an amenable number.

20120100191193 is a deficient number, since it is larger than the sum of its proper divisors (7632120603687).

20120100191193 is a wasteful number, since it uses less digits than its factorization.

20120100191193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987216.

The product of its (nonzero) digits is 972, while the sum is 30.

Adding to 20120100191193 its reverse (39119100102102), we get a palindrome (59239200293295).

The spelling of 20120100191193 in words is "twenty trillion, one hundred twenty billion, one hundred million, one hundred ninety-one thousand, one hundred ninety-three".