12111001010202 has 32 divisors (see below), whose sum is σ = 25034187515904. Its totient is φ = 3901957239600.

The previous prime is 12111001010201. The next prime is 12111001010231. The reversal of 12111001010202 is 20201010011121.

It is a super-2 number, since 2×12111001010202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111001010201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39992748 + ... + 40294439.

It is an arithmetic number, because the mean of its divisors is an integer number (782318359872).

Almost surely, 2^{12111001010202} is an apocalyptic number.

12111001010202 is an abundant number, since it is smaller than the sum of its proper divisors (12923186505702).

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

12111001010202 is a wasteful number, since it uses less digits than its factorization.

12111001010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80288034.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12111001010202 its reverse (20201010011121), we get a palindrome (32312011021323).

The spelling of 12111001010202 in words is "twelve trillion, one hundred eleven billion, one million, ten thousand, two hundred two".