20120145120213 has 16 divisors (see below), whose sum is σ = 28239514168320. Its totient is φ = 12707138776176.

The previous prime is 20120145120161. The next prime is 20120145120221. The reversal of 20120145120213 is 31202154102102.

It is a happy number.

It is not a de Polignac number, because 20120145120213 - 2¹⁷ = 20120144989141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120145120293) 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, 2178195 + ... + 6707072.

It is an arithmetic number, because the mean of its divisors is an integer number (1764969635520).

Almost surely, 2^{20120145120213} is an apocalyptic number.

It is an amenable number.

20120145120213 is a deficient number, since it is larger than the sum of its proper divisors (8119369048107).

20120145120213 is a wasteful number, since it uses less digits than its factorization.

20120145120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8925016.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 20120145120213 its reverse (31202154102102), we get a palindrome (51322299222315).

The spelling of 20120145120213 in words is "twenty trillion, one hundred twenty billion, one hundred forty-five million, one hundred twenty thousand, two hundred thirteen".