1200212100002 has 8 divisors (see below), whose sum is σ = 1862398086300. Its totient is φ = 579412737904.

The previous prime is 1200212099993. The next prime is 1200212100007. The reversal of 1200212100002 is 2000012120021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1093381831201 + 106830268801 = 1045649^2 + 326849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1200212100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10346655977 + ... + 10346656092.

Almost surely, 2^{1200212100002} is an apocalyptic number.

1200212100002 is a deficient number, since it is larger than the sum of its proper divisors (662185986298).

1200212100002 is a wasteful number, since it uses less digits than its factorization.

1200212100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20693312100.

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

Adding to 1200212100002 its reverse (2000012120021), we get a palindrome (3200224220023).

The spelling of 1200212100002 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred thousand, two".