1211132011308 has 24 divisors (see below), whose sum is σ = 2828163710400. Its totient is φ = 403397953680.

The previous prime is 1211132011301. The next prime is 1211132011319. The reversal of 1211132011308 is 8031102311121.

It is a super-2 number, since 2×1211132011308² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211132011301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39073458 + ... + 39104441.

It is an arithmetic number, because the mean of its divisors is an integer number (117840154600).

Almost surely, 2^{1211132011308} is an apocalyptic number.

It is an amenable number.

1211132011308 is an abundant number, since it is smaller than the sum of its proper divisors (1617031699092).

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

1211132011308 is a wasteful number, since it uses less digits than its factorization.

1211132011308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78179197 (or 78179195 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 1211132011308 its reverse (8031102311121), we get a palindrome (9242234322429).

The spelling of 1211132011308 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, eleven thousand, three hundred eight".