12112112201012 has 6 divisors (see below), whose sum is σ = 21196196351778. Its totient is φ = 6056056100504.

The previous prime is 12112112200967. The next prime is 12112112201023. The reversal of 12112112201012 is 21010221121121.

It can be written as a sum of positive squares in only one way, i.e., 6232282574116 + 5879829626896 = 2496454^2 + 2424836^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514014025123 + ... + 1514014025130.

It is an arithmetic number, because the mean of its divisors is an integer number (3532699391963).

Almost surely, 2^{12112112201012} is an apocalyptic number.

It is an amenable number.

12112112201012 is a deficient number, since it is larger than the sum of its proper divisors (9084084150766).

12112112201012 is a wasteful number, since it uses less digits than its factorization.

12112112201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028028050257 (or 3028028050255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12112112201012 its reverse (21010221121121), we get a palindrome (33122333322133).

The spelling of 12112112201012 in words is "twelve trillion, one hundred twelve billion, one hundred twelve million, two hundred one thousand, twelve".