1211330220332 has 24 divisors (see below), whose sum is σ = 2145447860976. Its totient is φ = 598345660928.

The previous prime is 1211330220301. The next prime is 1211330220341. The reversal of 1211330220332 is 2330220331121.

It is a super-3 number, since 3×1211330220332³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211330220298 and 1211330220307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12187028 + ... + 12286020.

It is an arithmetic number, because the mean of its divisors is an integer number (89393660874).

Almost surely, 2^{1211330220332} is an apocalyptic number.

It is an amenable number.

1211330220332 is a deficient number, since it is larger than the sum of its proper divisors (934117640644).

1211330220332 is a wasteful number, since it uses less digits than its factorization.

1211330220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135937 (or 135935 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1211330220332 its reverse (2330220331121), we get a palindrome (3541550551453).

The spelling of 1211330220332 in words is "one trillion, two hundred eleven billion, three hundred thirty million, two hundred twenty thousand, three hundred thirty-two".