1002122120212 has 24 divisors (see below), whose sum is σ = 1810632821760. Its totient is φ = 484990914240.

The previous prime is 1002122120081. The next prime is 1002122120231. The reversal of 1002122120212 is 2120212212001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24036262 + ... + 24077917.

It is an arithmetic number, because the mean of its divisors is an integer number (75443034240).

Almost surely, 2^{1002122120212} is an apocalyptic number.

It is an amenable number.

1002122120212 is a deficient number, since it is larger than the sum of its proper divisors (808510701548).

1002122120212 is a wasteful number, since it uses less digits than its factorization.

1002122120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48114351 (or 48114349 counting only the distinct ones).

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

Adding to 1002122120212 its reverse (2120212212001), we get a palindrome (3122334332213).

The spelling of 1002122120212 in words is "one trillion, two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".