12210101212100 has 144 divisors (see below), whose sum is σ = 30619740419520. Its totient is φ = 4179557491200.

The previous prime is 12210101212093. The next prime is 12210101212121. The reversal of 12210101212100 is 121210101221.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1420742 + ... + 5141858.

Almost surely, 2^{12210101212100} is an apocalyptic number.

12210101212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210101212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15309870209760).

12210101212100 is an abundant number, since it is smaller than the sum of its proper divisors (18409639207420).

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

12210101212100 is a wasteful number, since it uses less digits than its factorization.

12210101212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721318 (or 3721311 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12210101212100 its reverse (121210101221), we get a palindrome (12331311313321).

The spelling of 12210101212100 in words is "twelve trillion, two hundred ten billion, one hundred one million, two hundred twelve thousand, one hundred".