12011233051 has 2 divisors, whose sum is σ = 12011233052. Its totient is φ = 12011233050.

The previous prime is 12011233049. The next prime is 12011233063. The reversal of 12011233051 is 15033211021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12011233051 - 2¹ = 12011233049 is a prime.

Together with 12011233049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12011233081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005616525 + 6005616526.

It is an arithmetic number, because the mean of its divisors is an integer number (6005616526).

Almost surely, 2^12011233051 is an apocalyptic number.

12011233051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011233051 is an equidigital number, since it uses as much as digits as its factorization.

12011233051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 12011233051 its reverse (15033211021), we get a palindrome (27044444072).

The spelling of 12011233051 in words is "twelve billion, eleven million, two hundred thirty-three thousand, fifty-one".