1200212112001 has 16 divisors (see below), whose sum is σ = 1377439772800. Its totient is φ = 1024434190080.

The previous prime is 1200212111893. The next prime is 1200212112019. The reversal of 1200212112001 is 1002112120021.

It is not a de Polignac number, because 1200212112001 - 2¹³ = 1200212103809 is a prime.

It is a super-2 number, since 2×1200212112001² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1200212172001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599475 + ... + 2226823.

It is an arithmetic number, because the mean of its divisors is an integer number (86089985800).

Almost surely, 2^{1200212112001} is an apocalyptic number.

It is an amenable number.

1200212112001 is a deficient number, since it is larger than the sum of its proper divisors (177227660799).

1200212112001 is an equidigital number, since it uses as much as digits as its factorization.

1200212112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628504.

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

Adding to 1200212112001 its reverse (1002112120021), we get a palindrome (2202324232022).

The spelling of 1200212112001 in words is "one trillion, two hundred billion, two hundred twelve million, one hundred twelve thousand, one".