1212211002002 has 64 divisors (see below), whose sum is σ = 2547522883584. Its totient is φ = 417005202240.

The previous prime is 1212211001987. The next prime is 1212211002097. The reversal of 1212211002002 is 2002001122121.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 31 ways as a sum of consecutive naturals, for example, 13116998 + ... + 13209089.

It is an arithmetic number, because the mean of its divisors is an integer number (39805045056).

Almost surely, 2^{1212211002002} is an apocalyptic number.

1212211002002 is an abundant number, since it is smaller than the sum of its proper divisors (1335311881582).

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

1212211002002 is a wasteful number, since it uses less digits than its factorization.

1212211002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26326143.

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

Adding to 1212211002002 its reverse (2002001122121), we get a palindrome (3214212124123).

The spelling of 1212211002002 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two thousand, two".