2012121101331 has 60 divisors (see below), whose sum is σ = 3410429589952. Its totient is φ = 1180129500000.

The previous prime is 2012121101329. The next prime is 2012121101339. The reversal of 2012121101331 is 1331011212102.

2012121101331 is a `hidden beast` number, since 2 + 0 + 121 + 211 + 0 + 1 + 331 = 666.

It is not a de Polignac number, because 2012121101331 - 2¹ = 2012121101329 is a prime.

It is a super-2 number, since 2×2012121101331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012121101339) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3007420 + ... + 3615081.

Almost surely, 2^{2012121101331} is an apocalyptic number.

2012121101331 is a deficient number, since it is larger than the sum of its proper divisors (1398308488621).

2012121101331 is a wasteful number, since it uses less digits than its factorization.

2012121101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622566 (or 6622546 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2012121101331 its reverse (1331011212102), we get a palindrome (3343132313433).

The spelling of 2012121101331 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, three hundred thirty-one".