12101222010012 has 12 divisors (see below), whose sum is σ = 28236184690056. Its totient is φ = 4033740670000.

The previous prime is 12101222009983. The next prime is 12101222010083. The reversal of 12101222010012 is 21001022210121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12101222009973 and 12101222010000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504217583739 + ... + 504217583762.

It is an arithmetic number, because the mean of its divisors is an integer number (2353015390838).

Almost surely, 2^{12101222010012} is an apocalyptic number.

12101222010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101222010012 is an abundant number, since it is smaller than the sum of its proper divisors (16134962680044).

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

12101222010012 is a wasteful number, since it uses less digits than its factorization.

12101222010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008435167508 (or 1008435167506 counting only the distinct ones).

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

Adding to 12101222010012 its reverse (21001022210121), we get a palindrome (33102244220133).

The spelling of 12101222010012 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, ten thousand, twelve".