1220012443330 has 8 divisors (see below), whose sum is σ = 2196022398012. Its totient is φ = 488004977328.

The previous prime is 1220012443327. The next prime is 1220012443343. The reversal of 1220012443330 is 333442100221.

It can be written as a sum of positive squares in 2 ways, for example, as 1218094090929 + 1918352401 = 1103673^2 + 43799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1220012443330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220012443295 and 1220012443304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61000622157 + ... + 61000622176.

Almost surely, 2^{1220012443330} is an apocalyptic number.

1220012443330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220012443330 is a deficient number, since it is larger than the sum of its proper divisors (976009954682).

1220012443330 is a wasteful number, since it uses less digits than its factorization.

1220012443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122001244340.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1220012443330 its reverse (333442100221), we get a palindrome (1553454543551).

The spelling of 1220012443330 in words is "one trillion, two hundred twenty billion, twelve million, four hundred forty-three thousand, three hundred thirty".