2200121012 has 24 divisors (see below), whose sum is σ = 3908477832. Its totient is φ = 1083456000.

The previous prime is 2200120999. The next prime is 2200121023. The reversal of 2200121012 is 2101210022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 260951716 + 1939169296 = 16154^2 + 44036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2200120984 and 2200121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217262 + ... + 227162.

It is an arithmetic number, because the mean of its divisors is an integer number (162853243).

Almost surely, 2^2200121012 is an apocalyptic number.

It is an amenable number.

2200121012 is a deficient number, since it is larger than the sum of its proper divisors (1708356820).

2200121012 is a wasteful number, since it uses less digits than its factorization.

2200121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10739 (or 10737 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2200121012 is about 46905.4475727500. The cubic root of 2200121012 is about 1300.6152929554.

Adding to 2200121012 its reverse (2101210022), we get a palindrome (4301331034).

The spelling of 2200121012 in words is "two billion, two hundred million, one hundred twenty-one thousand, twelve".