12020432111 has 8 divisors (see below), whose sum is σ = 12738222000. Its totient is φ = 11322861760.

The previous prime is 12020432101. The next prime is 12020432113. The reversal of 12020432111 is 11123402021.

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

It is not a de Polignac number, because 12020432111 - 2¹⁴ = 12020415727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020432111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020432113) 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, 5053661 + ... + 5056038.

It is an arithmetic number, because the mean of its divisors is an integer number (1592277750).

Almost surely, 2^12020432111 is an apocalyptic number.

12020432111 is a deficient number, since it is larger than the sum of its proper divisors (717789889).

12020432111 is a wasteful number, since it uses less digits than its factorization.

12020432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109769.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12020432111 its reverse (11123402021), we get a palindrome (23143834132).

The spelling of 12020432111 in words is "twelve billion, twenty million, four hundred thirty-two thousand, one hundred eleven".