12012001131102 has 96 divisors (see below), whose sum is σ = 28448045676288. Its totient is φ = 3311796797568.

The previous prime is 12012001131083. The next prime is 12012001131121. The reversal of 12012001131102 is 20113110021021.

It is an interprime number because it is at equal distance from previous prime (12012001131083) and next prime (12012001131121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5513818 + ... + 7377410.

It is an arithmetic number, because the mean of its divisors is an integer number (296333809128).

Almost surely, 2^{12012001131102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012001131102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224022838144).

12012001131102 is an abundant number, since it is smaller than the sum of its proper divisors (16436044545186).

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

12012001131102 is a wasteful number, since it uses less digits than its factorization.

12012001131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863774 (or 1863731 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12012001131102 its reverse (20113110021021), we get a palindrome (32125111152123).

The spelling of 12012001131102 in words is "twelve trillion, twelve billion, one million, one hundred thirty-one thousand, one hundred two".