120012001211211 has 16 divisors (see below), whose sum is σ = 169642073207808. Its totient is φ = 75334473295200.

The previous prime is 120012001211177. The next prime is 120012001211261. The reversal of 120012001211211 is 112112100210021.

It is a happy number.

It is not a de Polignac number, because 120012001211211 - 2¹⁸ = 120012000949067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012001211261) 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, 17438532045 + ... + 17438538926.

It is an arithmetic number, because the mean of its divisors is an integer number (10602629575488).

Almost surely, 2^{120012001211211} is an apocalyptic number.

120012001211211 is a deficient number, since it is larger than the sum of its proper divisors (49630071996597).

120012001211211 is a wasteful number, since it uses less digits than its factorization.

120012001211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34877071042.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120012001211211 its reverse (112112100210021), we get a palindrome (232124101421232).

The spelling of 120012001211211 in words is "one hundred twenty trillion, twelve billion, one million, two hundred eleven thousand, two hundred eleven".