1211320030324 has 24 divisors (see below), whose sum is σ = 2123364196800. Its totient is φ = 604645140480.

The previous prime is 1211320030313. The next prime is 1211320030337. The reversal of 1211320030324 is 4230300231121.

It is a junction number, because it is equal to n+sod(n) for n = 1211320030295 and 1211320030304.

It is a congruent number.

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, 8266407 + ... + 8411665.

It is an arithmetic number, because the mean of its divisors is an integer number (88473508200).

Almost surely, 2^{1211320030324} is an apocalyptic number.

It is an amenable number.

1211320030324 is a deficient number, since it is larger than the sum of its proper divisors (912044166476).

1211320030324 is a wasteful number, since it uses less digits than its factorization.

1211320030324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148743 (or 148741 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1211320030324 its reverse (4230300231121), we get a palindrome (5441620261445).

The spelling of 1211320030324 in words is "one trillion, two hundred eleven billion, three hundred twenty million, thirty thousand, three hundred twenty-four".