1212112220002 has 24 divisors (see below), whose sum is σ = 1832072719680. Its totient is φ = 601454848680.

The previous prime is 1212112219999. The next prime is 1212112220063. The reversal of 1212112220002 is 2000222112121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35178699 + ... + 35213137.

It is an arithmetic number, because the mean of its divisors is an integer number (76336363320).

Almost surely, 2^{1212112220002} is an apocalyptic number.

1212112220002 is a deficient number, since it is larger than the sum of its proper divisors (619960499678).

1212112220002 is an equidigital number, since it uses as much as digits as its factorization.

1212112220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35406 (or 35239 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212112220002 its reverse (2000222112121), we get a palindrome (3212334332123).

The spelling of 1212112220002 in words is "one trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty thousand, two".