12351020011 has 8 divisors (see below), whose sum is σ = 13496568624. Its totient is φ = 11209259520.

The previous prime is 12351020009. The next prime is 12351020021. The reversal of 12351020011 is 11002015321.

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 12351020011 - 2¹ = 12351020009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12351020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940206 + ... + 953251.

It is an arithmetic number, because the mean of its divisors is an integer number (1687071078).

Almost surely, 2^12351020011 is an apocalyptic number.

12351020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12351020011 is a deficient number, since it is larger than the sum of its proper divisors (1145548613).

12351020011 is a wasteful number, since it uses less digits than its factorization.

12351020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894061.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 12351020011 its reverse (11002015321), we get a palindrome (23353035332).

The spelling of 12351020011 in words is "twelve billion, three hundred fifty-one million, twenty thousand, eleven".