1211330232102 has 16 divisors (see below), whose sum is σ = 2479001405760. Its totient is φ = 394386587112.

The previous prime is 1211330232031. The next prime is 1211330232103. The reversal of 1211330232102 is 2012320331121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211330232103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2347538952 + ... + 2347539467.

It is an arithmetic number, because the mean of its divisors is an integer number (154937587860).

Almost surely, 2^{1211330232102} is an apocalyptic number.

1211330232102 is an abundant number, since it is smaller than the sum of its proper divisors (1267671173658).

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

1211330232102 is a wasteful number, since it uses less digits than its factorization.

1211330232102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695078467.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1211330232102 its reverse (2012320331121), we get a palindrome (3223650563223).

The spelling of 1211330232102 in words is "one trillion, two hundred eleven billion, three hundred thirty million, two hundred thirty-two thousand, one hundred two".