1442212120220 has 144 divisors (see below), whose sum is σ = 3216753751680. Its totient is φ = 542863825920.

The previous prime is 1442212120201. The next prime is 1442212120231. The reversal of 1442212120220 is 220212122441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141819296 + ... + 141829464.

It is an arithmetic number, because the mean of its divisors is an integer number (22338567720).

Almost surely, 2^{1442212120220} is an apocalyptic number.

1442212120220 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 1442212120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608376875840).

1442212120220 is an abundant number, since it is smaller than the sum of its proper divisors (1774541631460).

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

1442212120220 is a wasteful number, since it uses less digits than its factorization.

1442212120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444 (or 10411 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1442212120220 its reverse (220212122441), we get a palindrome (1662424242661).

The spelling of 1442212120220 in words is "one trillion, four hundred forty-two billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty".