12101001020012 has 6 divisors (see below), whose sum is σ = 21176751785028. Its totient is φ = 6050500510004.

The previous prime is 12101001020011. The next prime is 12101001020027. The reversal of 12101001020012 is 21002010010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101001019975 and 12101001020002.

It is not an unprimeable number, because it can be changed into a prime (12101001020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1512625127498 + ... + 1512625127505.

It is an arithmetic number, because the mean of its divisors is an integer number (3529458630838).

Almost surely, 2^{12101001020012} is an apocalyptic number.

It is an amenable number.

12101001020012 is a deficient number, since it is larger than the sum of its proper divisors (9075750765016).

12101001020012 is a wasteful number, since it uses less digits than its factorization.

12101001020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025250255007 (or 3025250255005 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101001020012 its reverse (21002010010121), we get a palindrome (33103011030133).

The spelling of 12101001020012 in words is "twelve trillion, one hundred one billion, one million, twenty thousand, twelve".