1220230333212 has 96 divisors (see below), whose sum is σ = 3141357617664. Its totient is φ = 365578752000.

The previous prime is 1220230333183. The next prime is 1220230333213. The reversal of 1220230333212 is 2123330320221.

It is a super-3 number, since 3×1220230333212³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220230333213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5879313 + ... + 6083319.

It is an arithmetic number, because the mean of its divisors is an integer number (32722475184).

Almost surely, 2^{1220230333212} is an apocalyptic number.

1220230333212 is a gapful number since it is divisible by the number (12) 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 1220230333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570678808832).

1220230333212 is an abundant number, since it is smaller than the sum of its proper divisors (1921127284452).

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

1220230333212 is a wasteful number, since it uses less digits than its factorization.

1220230333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204539 (or 204537 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1220230333212 its reverse (2123330320221), we get a palindrome (3343560653433).

The spelling of 1220230333212 in words is "one trillion, two hundred twenty billion, two hundred thirty million, three hundred thirty-three thousand, two hundred twelve".