1212002002022 has 32 divisors (see below), whose sum is σ = 2099143715904. Its totient is φ = 514077120000.

The previous prime is 1212002001943. The next prime is 1212002002051. The reversal of 1212002002022 is 2202002002121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212002001988 and 1212002002006.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3323522 + ... + 3670122.

It is an arithmetic number, because the mean of its divisors is an integer number (65598241122).

Almost surely, 2^{1212002002022} is an apocalyptic number.

1212002002022 is a deficient number, since it is larger than the sum of its proper divisors (887141713882).

1212002002022 is a wasteful number, since it uses less digits than its factorization.

1212002002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349184.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1212002002022 its reverse (2202002002121), we get a palindrome (3414004004143).

Subtracting 1212002002022 from its reverse (2202002002121), we obtain a palindrome (990000000099).

The spelling of 1212002002022 in words is "one trillion, two hundred twelve billion, two million, two thousand, twenty-two".