1211002202200 has 96 divisors (see below), whose sum is σ = 3258537868800. Its totient is φ = 409945011840.

The previous prime is 1211002202153. The next prime is 1211002202243. The reversal of 1211002202200 is 22022001121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5364094 + ... + 5585293.

It is an arithmetic number, because the mean of its divisors is an integer number (33943102800).

Almost surely, 2^{1211002202200} is an apocalyptic number.

1211002202200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211002202200 is an abundant number, since it is smaller than the sum of its proper divisors (2047535666600).

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

1211002202200 is a wasteful number, since it uses less digits than its factorization.

1211002202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949489 (or 10949480 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1211002202200 its reverse (22022001121), we get a palindrome (1233024203321).

The spelling of 1211002202200 in words is "one trillion, two hundred eleven billion, two million, two hundred two thousand, two hundred".