2112201001012 has 6 divisors (see below), whose sum is σ = 3696351751778. Its totient is φ = 1056100500504.

The previous prime is 2112201000979. The next prime is 2112201001061. The reversal of 2112201001012 is 2101001022112.

It can be written as a sum of positive squares in only one way, i.e., 1416304687396 + 695896313616 = 1190086^2 + 834204^2 .

It is a super-2 number, since 2×2112201001012² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112201000983 and 2112201001001.

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, 264025125123 + ... + 264025125130.

Almost surely, 2^{2112201001012} is an apocalyptic number.

It is an amenable number.

2112201001012 is a deficient number, since it is larger than the sum of its proper divisors (1584150750766).

2112201001012 is a wasteful number, since it uses less digits than its factorization.

2112201001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528050250257 (or 528050250255 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112201001012 its reverse (2101001022112), we get a palindrome (4213202023124).

The spelling of 2112201001012 in words is "two trillion, one hundred twelve billion, two hundred one million, one thousand, twelve".