1220302211000 has 192 divisors, whose sum is σ = 3036350884320. Its totient is φ = 458954956800.

The previous prime is 1220302210997. The next prime is 1220302211003. The reversal of 1220302211000 is 1122030221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1220302210997) and next prime (1220302211003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220302211003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504881792 + ... + 504884208.

Almost surely, 2^{1220302211000} is an apocalyptic number.

1220302211000 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 1220302211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518175442160).

1220302211000 is an abundant number, since it is smaller than the sum of its proper divisors (1816048673320).

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

1220302211000 is a wasteful number, since it uses less digits than its factorization.

1220302211000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4219 (or 4188 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1220302211000 its reverse (1122030221), we get a palindrome (1221424241221).

The spelling of 1220302211000 in words is "one trillion, two hundred twenty billion, three hundred two million, two hundred eleven thousand".