12051020611 has 8 divisors (see below), whose sum is σ = 13774390784. Its totient is φ = 10328099400.

The previous prime is 12051020587. The next prime is 12051020621. The reversal of 12051020611 is 11602015021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12051020611 - 2¹⁹ = 12050496323 is a prime.

It is a super-3 number, since 3×12051020611³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12051020621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52605 + ... + 163918.

It is an arithmetic number, because the mean of its divisors is an integer number (1721798848).

Almost surely, 2^12051020611 is an apocalyptic number.

12051020611 is a deficient number, since it is larger than the sum of its proper divisors (1723370173).

12051020611 is an equidigital number, since it uses as much as digits as its factorization.

12051020611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224481.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12051020611 its reverse (11602015021), we get a palindrome (23653035632).

The spelling of 12051020611 in words is "twelve billion, fifty-one million, twenty thousand, six hundred eleven".