2112121202012 has 6 divisors (see below), whose sum is σ = 3696212103528. Its totient is φ = 1056060601004.

The previous prime is 2112121201997. The next prime is 2112121202039. The reversal of 2112121202012 is 2102021212112.

It is a super-2 number, since 2×2112121202012² (a number of 25 digits) contains 22 as substring.

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, 264015150248 + ... + 264015150255.

It is an arithmetic number, because the mean of its divisors is an integer number (616035350588).

Almost surely, 2^{2112121202012} is an apocalyptic number.

It is an amenable number.

2112121202012 is a deficient number, since it is larger than the sum of its proper divisors (1584090901516).

2112121202012 is a wasteful number, since it uses less digits than its factorization.

2112121202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528030300507 (or 528030300505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112121202012 its reverse (2102021212112), we get a palindrome (4214142414124).

The spelling of 2112121202012 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred two thousand, twelve".