12112102021010 has 16 divisors (see below), whose sum is σ = 21809702969496. Its totient is φ = 4843080956928.

The previous prime is 12112102020947. The next prime is 12112102021013. The reversal of 12112102021010 is 1012020121121.

It can be written as a sum of positive squares in 4 ways, for example, as 11025447970681 + 1086654050329 = 3320459^2 + 1042427^2 .

It is not an unprimeable number, because it can be changed into a prime (12112102021013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219952529 + ... + 220007588.

Almost surely, 2^{12112102021010} is an apocalyptic number.

12112102021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112102021010 is a deficient number, since it is larger than the sum of its proper divisors (9697600948486).

12112102021010 is a wasteful number, since it uses less digits than its factorization.

12112102021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439962877.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112102021010 its reverse (1012020121121), we get a palindrome (13124122142131).

The spelling of 12112102021010 in words is "twelve trillion, one hundred twelve billion, one hundred two million, twenty-one thousand, ten".