12155000140222 has 16 divisors (see below), whose sum is σ = 18338398512192. Its totient is φ = 6042245577760.

The previous prime is 12155000140133. The next prime is 12155000140223. The reversal of 12155000140222 is 22204100055121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12155000140223) 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, 10693654 + ... + 11775577.

It is an arithmetic number, because the mean of its divisors is an integer number (1146149907012).

Almost surely, 2^{12155000140222} is an apocalyptic number.

12155000140222 is a deficient number, since it is larger than the sum of its proper divisors (6183398371970).

12155000140222 is a wasteful number, since it uses less digits than its factorization.

12155000140222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22470803.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12155000140222 its reverse (22204100055121), we get a palindrome (34359100195343).

The spelling of 12155000140222 in words is "twelve trillion, one hundred fifty-five billion, one hundred forty thousand, two hundred twenty-two".