1212210211002 has 48 divisors (see below), whose sum is σ = 2834416382400. Its totient is φ = 344605326912.

The previous prime is 1212210210979. The next prime is 1212210211013. The reversal of 1212210211002 is 2001120122121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10301203 + ... + 10418214.

It is an arithmetic number, because the mean of its divisors is an integer number (59050341300).

Almost surely, 2^{1212210211002} is an apocalyptic number.

1212210211002 is an abundant number, since it is smaller than the sum of its proper divisors (1622206171398).

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

1212210211002 is a wasteful number, since it uses less digits than its factorization.

1212210211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20719635 (or 20719628 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212210211002 its reverse (2001120122121), we get a palindrome (3213330333123).

The spelling of 1212210211002 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred eleven thousand, two".