1200211002122 has 16 divisors (see below), whose sum is σ = 1997269466400. Its totient is φ = 536303837040.

The previous prime is 1200211002121. The next prime is 1200211002143. The reversal of 1200211002122 is 2212001120021.

It is a super-2 number, since 2×1200211002122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200211002097 and 1200211002106.

It is not an unprimeable number, because it can be changed into a prime (1200211002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462329597 + ... + 462332192.

It is an arithmetic number, because the mean of its divisors is an integer number (124829341650).

Almost surely, 2^{1200211002122} is an apocalyptic number.

1200211002122 is a deficient number, since it is larger than the sum of its proper divisors (797058464278).

1200211002122 is a wasteful number, since it uses less digits than its factorization.

1200211002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924661861.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200211002122 its reverse (2212001120021), we get a palindrome (3412212122143).

The spelling of 1200211002122 in words is "one trillion, two hundred billion, two hundred eleven million, two thousand, one hundred twenty-two".