1211202006 has 64 divisors (see below), whose sum is σ = 2926264320. Its totient is φ = 326484000.

The previous prime is 1211201989. The next prime is 1211202007. The reversal of 1211202006 is 6002021121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211202007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197275 + ... + 203321.

It is an arithmetic number, because the mean of its divisors is an integer number (45722880).

Almost surely, 2^1211202006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211202006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463132160).

1211202006 is an abundant number, since it is smaller than the sum of its proper divisors (1715062314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211202006 is a wasteful number, since it uses less digits than its factorization.

1211202006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1211202006 is about 34802.3275945733. The cubic root of 1211202006 is about 1065.9549740623.

Adding to 1211202006 its reverse (6002021121), we get a palindrome (7213223127).

The spelling of 1211202006 in words is "one billion, two hundred eleven million, two hundred two thousand, six".