1212122022002 has 8 divisors (see below), whose sum is σ = 1818435825756. Its totient is φ = 605976746752.

The previous prime is 1212122021969. The next prime is 1212122022011. The reversal of 1212122022002 is 2002202212121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1200249522481 + 11872499521 = 1095559^2 + 108961^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42114143 + ... + 42142914.

Almost surely, 2^{1212122022002} is an apocalyptic number.

1212122022002 is a deficient number, since it is larger than the sum of its proper divisors (606313803754).

1212122022002 is an equidigital number, since it uses as much as digits as its factorization.

1212122022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84264252.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212122022002 its reverse (2002202212121), we get a palindrome (3214324234123).

The spelling of 1212122022002 in words is "one trillion, two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, two".