12210021100012 has 24 divisors (see below), whose sum is σ = 21849292681776. Its totient is φ = 5968197738048.

The previous prime is 12210021099917. The next prime is 12210021100019. The reversal of 12210021100012 is 21000112001221.

It is a junction number, because it is equal to n+sod(n) for n = 12210021099965 and 12210021100001.

It is not an unprimeable number, because it can be changed into a prime (12210021100019) 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, 103902358 + ... + 104019805.

It is an arithmetic number, because the mean of its divisors is an integer number (910387195074).

Almost surely, 2^{12210021100012} is an apocalyptic number.

It is an amenable number.

12210021100012 is a deficient number, since it is larger than the sum of its proper divisors (9639271581764).

12210021100012 is a wasteful number, since it uses less digits than its factorization.

12210021100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207922497 (or 207922495 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12210021100012 its reverse (21000112001221), we get a palindrome (33210133101233).

The spelling of 12210021100012 in words is "twelve trillion, two hundred ten billion, twenty-one million, one hundred thousand, twelve".