12101020210220 has 24 divisors (see below), whose sum is σ = 25760253984864. Its totient is φ = 4774101123456.

The previous prime is 12101020210171. The next prime is 12101020210231. The reversal of 12101020210220 is 2201202010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101020210195 and 12101020210204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144183544 + ... + 4144186463.

It is an arithmetic number, because the mean of its divisors is an integer number (1073343916036).

Almost surely, 2^{12101020210220} is an apocalyptic number.

12101020210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101020210220 is an abundant number, since it is smaller than the sum of its proper divisors (13659233774644).

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

12101020210220 is a wasteful number, since it uses less digits than its factorization.

12101020210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288370089 (or 8288370087 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12101020210220 its reverse (2201202010121), we get a palindrome (14302222220341).

The spelling of 12101020210220 in words is "twelve trillion, one hundred one billion, twenty million, two hundred ten thousand, two hundred twenty".