12142204011 has 24 divisors (see below), whose sum is σ = 21099237120. Its totient is φ = 6573222576.

The previous prime is 12142204001. The next prime is 12142204013. The reversal of 12142204011 is 11040224121.

It is not a de Polignac number, because 12142204011 - 2⁵ = 12142203979 is a prime.

It is a super-5 number, since 5×12142204011⁵ (a number of 52 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (12142204013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5070735 + ... + 5073128.

It is an arithmetic number, because the mean of its divisors is an integer number (879134880).

Almost surely, 2^12142204011 is an apocalyptic number.

12142204011 is a deficient number, since it is larger than the sum of its proper divisors (8957033109).

12142204011 is a wasteful number, since it uses less digits than its factorization.

12142204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143895 (or 10143892 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12142204011 its reverse (11040224121), we get a palindrome (23182428132).

It can be divided in two parts, 12142 and 204011, that added together give a triangular number (216153 = T₆₅₇).

The spelling of 12142204011 in words is "twelve billion, one hundred forty-two million, two hundred four thousand, eleven".