1212012022002 has 16 divisors (see below), whose sum is σ = 2425708581120. Its totient is φ = 403723251152.

The previous prime is 1212012021967. The next prime is 1212012022021. The reversal of 1212012022002 is 2002202102121.

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 7 ways as a sum of consecutive naturals, for example, 70179693 + ... + 70196960.

It is an arithmetic number, because the mean of its divisors is an integer number (151606786320).

Almost surely, 2^{1212012022002} is an apocalyptic number.

1212012022002 is an abundant number, since it is smaller than the sum of its proper divisors (1213696559118).

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

1212012022002 is a wasteful number, since it uses less digits than its factorization.

1212012022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140378097.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212012022002 its reverse (2002202102121), we get a palindrome (3214214124123).

The spelling of 1212012022002 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, two".