12212000020220 has 192 divisors, whose sum is σ = 34462388653056. Its totient is φ = 3510514667520.

The previous prime is 12212000020219. The next prime is 12212000020229. The reversal of 12212000020220 is 2202000021221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 12212000020195 and 12212000020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212000020229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23021012 + ... + 23545508.

It is an arithmetic number, because the mean of its divisors is an integer number (179491607568).

Almost surely, 2^{12212000020220} is an apocalyptic number.

12212000020220 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 12212000020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17231194326528).

12212000020220 is an abundant number, since it is smaller than the sum of its proper divisors (22250388632836).

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

12212000020220 is a wasteful number, since it uses less digits than its factorization.

12212000020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525700 (or 525698 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12212000020220 its reverse (2202000021221), we get a palindrome (14414000041441).

The spelling of 12212000020220 in words is "twelve trillion, two hundred twelve billion, twenty thousand, two hundred twenty".