12101230211012 has 24 divisors (see below), whose sum is σ = 22438581215904. Its totient is φ = 5690705846912.

The previous prime is 12101230211003. The next prime is 12101230211087. The reversal of 12101230211012 is 21011203210121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62257298 + ... + 62451369.

It is an arithmetic number, because the mean of its divisors is an integer number (934940883996).

Almost surely, 2^{12101230211012} is an apocalyptic number.

It is an amenable number.

12101230211012 is a deficient number, since it is larger than the sum of its proper divisors (10337351004892).

12101230211012 is a wasteful number, since it uses less digits than its factorization.

12101230211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124710115 (or 124710113 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12101230211012 its reverse (21011203210121), we get a palindrome (33112433421133).

The spelling of 12101230211012 in words is "twelve trillion, one hundred one billion, two hundred thirty million, two hundred eleven thousand, twelve".