2112121201012 has 12 divisors (see below), whose sum is σ = 3703044290596. Its totient is φ = 1054108546560.

The previous prime is 2112121200991. The next prime is 2112121201031. The reversal of 2112121201012 is 2101021212112.

It can be written as a sum of positive squares in 2 ways, for example, as 1328588190736 + 783533010276 = 1152644^2 + 885174^2 .

It is a super-2 number, since 2×2112121201012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488011053 + ... + 488015380.

Almost surely, 2^{2112121201012} is an apocalyptic number.

It is an amenable number.

2112121201012 is a deficient number, since it is larger than the sum of its proper divisors (1590923089584).

2112121201012 is a wasteful number, since it uses less digits than its factorization.

2112121201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976026978 (or 976026976 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112121201012 its reverse (2101021212112), we get a palindrome (4213142413124).

The spelling of 2112121201012 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, twelve".