12121170602611 has 16 divisors (see below), whose sum is σ = 13860868310784. Its totient is φ = 10383499685664.

The previous prime is 12121170602603. The next prime is 12121170602627. The reversal of 12121170602611 is 11620607112121.

It is a happy number.

It is not a de Polignac number, because 12121170602611 - 2³ = 12121170602603 is a prime.

It is a super-2 number, since 2×12121170602611² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121170602711) 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, 121742896 + ... + 121842418.

It is an arithmetic number, because the mean of its divisors is an integer number (866304269424).

Almost surely, 2^{12121170602611} is an apocalyptic number.

12121170602611 is a deficient number, since it is larger than the sum of its proper divisors (1739697708173).

12121170602611 is an equidigital number, since it uses as much as digits as its factorization.

12121170602611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109530.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 12121170602611 its reverse (11620607112121), we get a palindrome (23741777714732).

The spelling of 12121170602611 in words is "twelve trillion, one hundred twenty-one billion, one hundred seventy million, six hundred two thousand, six hundred eleven".