2112206400004 has 6 divisors (see below), whose sum is σ = 3696361200014. Its totient is φ = 1056103200000.

The previous prime is 2112206400001. The next prime is 2112206400011. The reversal of 2112206400004 is 4000046022112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2108745431104 + 3460968900 = 1452152^2 + 58830^2 .

It is a super-2 number, since 2×2112206400004² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112206400001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264025799997 + ... + 264025800004.

Almost surely, 2^{2112206400004} is an apocalyptic number.

It is an amenable number.

2112206400004 is a deficient number, since it is larger than the sum of its proper divisors (1584154800010).

2112206400004 is a wasteful number, since it uses less digits than its factorization.

2112206400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528051600005 (or 528051600003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The spelling of 2112206400004 in words is "two trillion, one hundred twelve billion, two hundred six million, four hundred thousand, four".