12101000012142 has 64 divisors (see below), whose sum is σ = 25980037796160. Its totient is φ = 3743903268864.

The previous prime is 12101000012141. The next prime is 12101000012173. The reversal of 12101000012142 is 24121000010121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101000012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59861734 + ... + 60063542.

It is an arithmetic number, because the mean of its divisors is an integer number (405938090565).

Almost surely, 2^{12101000012142} is an apocalyptic number.

12101000012142 is an abundant number, since it is smaller than the sum of its proper divisors (13879037784018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101000012142 is a wasteful number, since it uses less digits than its factorization.

12101000012142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209957.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12101000012142 its reverse (24121000010121), we get a palindrome (36222000022263).

The spelling of 12101000012142 in words is "twelve trillion, one hundred one billion, twelve thousand, one hundred forty-two".