1211213011002 has 8 divisors (see below), whose sum is σ = 2422426022016. Its totient is φ = 403737670332.

The previous prime is 1211213010983. The next prime is 1211213011027. The reversal of 1211213011002 is 2001103121121.

It is a sphenic number, since it is the product of 3 distinct primes.

1211213011002 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100934417578 + ... + 100934417589.

It is an arithmetic number, because the mean of its divisors is an integer number (302803252752).

Almost surely, 2^{1211213011002} is an apocalyptic number.

1211213011002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1211213011002 is a wasteful number, since it uses less digits than its factorization.

1211213011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201868835172.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1211213011002 its reverse (2001103121121), we get a palindrome (3212316132123).

The spelling of 1211213011002 in words is "one trillion, two hundred eleven billion, two hundred thirteen million, eleven thousand, two".