12102311201032 has 64 divisors (see below), whose sum is σ = 24697031551920. Its totient is φ = 5526364520448.

The previous prime is 12102311201023. The next prime is 12102311201039. The reversal of 12102311201032 is 23010211320121.

It can be written as a sum of positive squares in 8 ways, for example, as 3438554583556 + 8663756617476 = 1854334^2 + 2943426^2 .

It is a super-2 number, since 2×12102311201032² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102311201039) 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 15 ways as a sum of consecutive naturals, for example, 32266638 + ... + 32639554.

Almost surely, 2^{12102311201032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102311201032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12348515775960).

12102311201032 is an abundant number, since it is smaller than the sum of its proper divisors (12594720350888).

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

12102311201032 is a wasteful number, since it uses less digits than its factorization.

12102311201032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376250 (or 376246 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12102311201032 its reverse (23010211320121), we get a palindrome (35112522521153).

The spelling of 12102311201032 in words is "twelve trillion, one hundred two billion, three hundred eleven million, two hundred one thousand, thirty-two".