12101002212220 has 24 divisors (see below), whose sum is σ = 26031912077808. Its totient is φ = 4722342326400.

The previous prime is 12101002212217. The next prime is 12101002212223. The reversal of 12101002212220 is 2221220010121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12101002212217) and next prime (12101002212223).

It is a junction number, because it is equal to n+sod(n) for n = 12101002212194 and 12101002212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101002212223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7378659066 + ... + 7378660705.

It is an arithmetic number, because the mean of its divisors is an integer number (1084663003242).

Almost surely, 2^{12101002212220} is an apocalyptic number.

12101002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101002212220 is an abundant number, since it is smaller than the sum of its proper divisors (13930909865588).

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

12101002212220 is a wasteful number, since it uses less digits than its factorization.

12101002212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14757319821 (or 14757319819 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12101002212220 its reverse (2221220010121), we get a palindrome (14322222222341).

The spelling of 12101002212220 in words is "twelve trillion, one hundred one billion, two million, two hundred twelve thousand, two hundred twenty".