12040132155 has 16 divisors (see below), whose sum is σ = 19551738624. Its totient is φ = 6325561440.

The previous prime is 12040132133. The next prime is 12040132157. The reversal of 12040132155 is 55123104021.

It is a happy number.

It is not a de Polignac number, because 12040132155 - 2⁵ = 12040132123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12040132157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5989111 + ... + 5991120.

It is an arithmetic number, because the mean of its divisors is an integer number (1221983664).

Almost surely, 2^12040132155 is an apocalyptic number.

12040132155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12040132155 is a deficient number, since it is larger than the sum of its proper divisors (7511606469).

12040132155 is a wasteful number, since it uses less digits than its factorization.

12040132155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11980306.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12040132155 its reverse (55123104021), we get a palindrome (67163236176).

The spelling of 12040132155 in words is "twelve billion, forty million, one hundred thirty-two thousand, one hundred fifty-five".