1212012010220 has 192 divisors, whose sum is σ = 2937535856640. Its totient is φ = 416026540800.

The previous prime is 1212012010171. The next prime is 1212012010291. The reversal of 1212012010220 is 220102102121.

1212012010220 is digitally balanced in base 12, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1212012010220² (a number of 25 digits) contains 22 as substring.

1212012010220 is strictly pandigital in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1212012010195 and 1212012010204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44705189 + ... + 44732291.

It is an arithmetic number, because the mean of its divisors is an integer number (15299665920).

Almost surely, 2^{1212012010220} is an apocalyptic number.

1212012010220 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 1212012010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468767928320).

1212012010220 is an abundant number, since it is smaller than the sum of its proper divisors (1725523846420).

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

1212012010220 is a wasteful number, since it uses less digits than its factorization.

1212012010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27316 (or 27314 counting only the distinct ones).

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

Adding to 1212012010220 its reverse (220102102121), we get a palindrome (1432114112341).

The spelling of 1212012010220 in words is "one trillion, two hundred twelve billion, twelve million, ten thousand, two hundred twenty".